-71.43% is the change from 721 to 206
Calculation steps:
[( 206 - 721 ) ÷ 721] x 100 = -71.43%
Formula
Percentage change = [(206 - 721) / 721] x 100
Subtract the new number by the original number
206 - 721 = -515
-515 ÷ 721 = -0.7142857142857143
-0.7142857142857143 x 100 = -71.43%