-67.61% is the change from 710 to 230
Calculation steps:
[( 230 - 710 ) ÷ 710] x 100 = -67.61%
Formula
Percentage change = [(230 - 710) / 710] x 100
Subtract the new number by the original number
230 - 710 = -480
-480 ÷ 710 = -0.676056338028169
-0.676056338028169 x 100 = -67.61%