-77.02% is the change from 818 to 188
Calculation steps:
[( 188 - 818 ) ÷ 818] x 100 = -77.02%
Formula
Percentage change = [(188 - 818) / 818] x 100
Subtract the new number by the original number
188 - 818 = -630
-630 ÷ 818 = -0.7701711491442543
-0.7701711491442543 x 100 = -77.02%