-80.69% is the change from 808 to 156
Calculation steps:
[( 156 - 808 ) ÷ 808] x 100 = -80.69%
Formula
Percentage change = [(156 - 808) / 808] x 100
Subtract the new number by the original number
156 - 808 = -652
-652 ÷ 808 = -0.806930693069307
-0.806930693069307 x 100 = -80.69%