-39.2% is the change from 125 to 76
Calculation steps:
[( 76 - 125 ) ÷ 125] x 100 = -39.2%
Formula
Percentage change = [(76 - 125) / 125] x 100
Subtract the new number by the original number
76 - 125 = -49
-49 ÷ 125 = -0.392
-0.392 x 100 = -39.2%
Example