-82.8% is the change from 721 to 124
Calculation steps:
[( 124 - 721 ) ÷ 721] x 100 = -82.8%
Formula
Percentage change = [(124 - 721) / 721] x 100
Subtract the new number by the original number
124 - 721 = -597
-597 ÷ 721 = -0.8280166435506241
-0.8280166435506241 x 100 = -82.8%