-90.59% is the change from 818 to 77
Calculation steps:
[( 77 - 818 ) ÷ 818] x 100 = -90.59%
Formula
Percentage change = [(77 - 818) / 818] x 100
Subtract the new number by the original number
77 - 818 = -741
-741 ÷ 818 = -0.9058679706601467
-0.9058679706601467 x 100 = -90.59%