-87.62% is the change from 808 to 100
Calculation steps:
[( 100 - 808 ) ÷ 808] x 100 = -87.62%
Formula
Percentage change = [(100 - 808) / 808] x 100
Subtract the new number by the original number
100 - 808 = -708
-708 ÷ 808 = -0.8762376237623762
-0.8762376237623762 x 100 = -87.62%