20% is the change from 625 to 750
Calculation steps:
[( 750 - 625 ) ÷ 625] x 100 = 20%
Formula
Percentage change = [(750 - 625) / 625] x 100
Subtract the new number by the original number
750 - 625 = 125
125 ÷ 625 = 0.2
0.2 x 100 = 20%
Example