64% is the change from 125 to 205
Calculation steps:
[( 205 - 125 ) ÷ 125] x 100 = 64%
Formula
Percentage change = [(205 - 125) / 125] x 100
Subtract the new number by the original number
205 - 125 = 80
80 ÷ 125 = 0.64
0.64 x 100 = 64%
Example