-70.46% is the change from 721 to 213
Calculation steps:
[( 213 - 721 ) ÷ 721] x 100 = -70.46%
Formula
Percentage change = [(213 - 721) / 721] x 100
Subtract the new number by the original number
213 - 721 = -508
-508 ÷ 721 = -0.7045769764216366
-0.7045769764216366 x 100 = -70.46%