-70.32% is the change from 721 to 214
Calculation steps:
[( 214 - 721 ) ÷ 721] x 100 = -70.32%
Formula
Percentage change = [(214 - 721) / 721] x 100
Subtract the new number by the original number
214 - 721 = -507
-507 ÷ 721 = -0.7031900138696255
-0.7031900138696255 x 100 = -70.32%