-78.36% is the change from 818 to 177
Calculation steps:
[( 177 - 818 ) ÷ 818] x 100 = -78.36%
Formula
Percentage change = [(177 - 818) / 818] x 100
Subtract the new number by the original number
177 - 818 = -641
-641 ÷ 818 = -0.7836185819070904
-0.7836185819070904 x 100 = -78.36%