-69.21% is the change from 721 to 222
Calculation steps:
[( 222 - 721 ) ÷ 721] x 100 = -69.21%
Formula
Percentage change = [(222 - 721) / 721] x 100
Subtract the new number by the original number
222 - 721 = -499
-499 ÷ 721 = -0.6920943134535368
-0.6920943134535368 x 100 = -69.21%