-73.79% is the change from 721 to 189
Calculation steps:
[( 189 - 721 ) ÷ 721] x 100 = -73.79%
Formula
Percentage change = [(189 - 721) / 721] x 100
Subtract the new number by the original number
189 - 721 = -532
-532 ÷ 721 = -0.7378640776699029
-0.7378640776699029 x 100 = -73.79%