The pie charts depict the shares of various power generation technologies in the total electricity generation of a country for the years $2007$ and $2023$.
The renewable sources of electricity generation consist of Hydro, Solar and Wind. Assuming that the total electricity generated remains the same from $2007$ to $2023$, what is the percentage increase in the share of the renewable sources of electricity generation over this period?
- $25\%$
- $50\%$
- $77.5\%$
- $62.5\%$
