-76.41% is the change from 818 to 193
Calculation steps:
[( 193 - 818 ) ÷ 818] x 100 = -76.41%
Formula
Percentage change = [(193 - 818) / 818] x 100
Subtract the new number by the original number
193 - 818 = -625
-625 ÷ 818 = -0.7640586797066015
-0.7640586797066015 x 100 = -76.41%