-78.17% is the change from 710 to 155
Calculation steps:
[( 155 - 710 ) ÷ 710] x 100 = -78.17%
Formula
Percentage change = [(155 - 710) / 710] x 100
Subtract the new number by the original number
155 - 710 = -555
-555 ÷ 710 = -0.7816901408450704
-0.7816901408450704 x 100 = -78.17%