-79.95% is the change from 818 to 164
Calculation steps:
[( 164 - 818 ) ÷ 818] x 100 = -79.95%
Formula
Percentage change = [(164 - 818) / 818] x 100
Subtract the new number by the original number
164 - 818 = -654
-654 ÷ 818 = -0.7995110024449877
-0.7995110024449877 x 100 = -79.95%