-70.28% is the change from 710 to 211
Calculation steps:
[( 211 - 710 ) ÷ 710] x 100 = -70.28%
Formula
Percentage change = [(211 - 710) / 710] x 100
Subtract the new number by the original number
211 - 710 = -499
-499 ÷ 710 = -0.7028169014084507
-0.7028169014084507 x 100 = -70.28%