-26.76% is the change from 710 to 520
Calculation steps:
[( 520 - 710 ) ÷ 710] x 100 = -26.76%
Formula
Percentage change = [(520 - 710) / 710] x 100
Subtract the new number by the original number
520 - 710 = -190
-190 ÷ 710 = -0.2676056338028169
-0.2676056338028169 x 100 = -26.76%