18.15% is the change from 650 to 768
Calculation steps:
[( 768 - 650 ) ÷ 650] x 100 = 18.15%
Formula
Percentage change = [(768 - 650) / 650] x 100
Subtract the new number by the original number
768 - 650 = 118
118 ÷ 650 = 0.18153846153846154
0.18153846153846154 x 100 = 18.15%