-75.17% is the change from 721 to 179
Calculation steps:
[( 179 - 721 ) ÷ 721] x 100 = -75.17%
Formula
Percentage change = [(179 - 721) / 721] x 100
Subtract the new number by the original number
179 - 721 = -542
-542 ÷ 721 = -0.7517337031900139
-0.7517337031900139 x 100 = -75.17%