-78.36% is the change from 721 to 156
Calculation steps:
[( 156 - 721 ) ÷ 721] x 100 = -78.36%
Formula
Percentage change = [(156 - 721) / 721] x 100
Subtract the new number by the original number
156 - 721 = -565
-565 ÷ 721 = -0.7836338418862691
-0.7836338418862691 x 100 = -78.36%