-77.25% is the change from 721 to 164
Calculation steps:
[( 164 - 721 ) ÷ 721] x 100 = -77.25%
Formula
Percentage change = [(164 - 721) / 721] x 100
Subtract the new number by the original number
164 - 721 = -557
-557 ÷ 721 = -0.7725381414701803
-0.7725381414701803 x 100 = -77.25%