-75.31% is the change from 721 to 178
Calculation steps:
[( 178 - 721 ) ÷ 721] x 100 = -75.31%
Formula
Percentage change = [(178 - 721) / 721] x 100
Subtract the new number by the original number
178 - 721 = -543
-543 ÷ 721 = -0.753120665742025
-0.753120665742025 x 100 = -75.31%