-87.33% is the change from 813 to 103
Calculation steps:
[( 103 - 813 ) ÷ 813] x 100 = -87.33%
Formula
Percentage change = [(103 - 813) / 813] x 100
Subtract the new number by the original number
103 - 813 = -710
-710 ÷ 813 = -0.8733087330873309
-0.8733087330873309 x 100 = -87.33%