-77.1% is the change from 725 to 166
Calculation steps:
[( 166 - 725 ) ÷ 725] x 100 = -77.1%
Formula
Percentage change = [(166 - 725) / 725] x 100
Subtract the new number by the original number
166 - 725 = -559
-559 ÷ 725 = -0.7710344827586207
-0.7710344827586207 x 100 = -77.1%