-87.08% is the change from 813 to 105
Calculation steps:
[( 105 - 813 ) ÷ 813] x 100 = -87.08%
Formula
Percentage change = [(105 - 813) / 813] x 100
Subtract the new number by the original number
105 - 813 = -708
-708 ÷ 813 = -0.8708487084870848
-0.8708487084870848 x 100 = -87.08%