-83.74% is the change from 818 to 133
Calculation steps:
[( 133 - 818 ) ÷ 818] x 100 = -83.74%
Formula
Percentage change = [(133 - 818) / 818] x 100
Subtract the new number by the original number
133 - 818 = -685
-685 ÷ 818 = -0.8374083129584352
-0.8374083129584352 x 100 = -83.74%