21.23% is the change from 650 to 788
Calculation steps:
[( 788 - 650 ) ÷ 650] x 100 = 21.23%
Formula
Percentage change = [(788 - 650) / 650] x 100
Subtract the new number by the original number
788 - 650 = 138
138 ÷ 650 = 0.2123076923076923
0.2123076923076923 x 100 = 21.23%