39.69% is the change from 650 to 908
Calculation steps:
[( 908 - 650 ) ÷ 650] x 100 = 39.69%
Formula
Percentage change = [(908 - 650) / 650] x 100
Subtract the new number by the original number
908 - 650 = 258
258 ÷ 650 = 0.39692307692307693
0.39692307692307693 x 100 = 39.69%