-17.85% is the change from 818 to 672
Calculation steps:
[( 672 - 818 ) ÷ 818] x 100 = -17.85%
Formula
Percentage change = [(672 - 818) / 818] x 100
Subtract the new number by the original number
672 - 818 = -146
-146 ÷ 818 = -0.1784841075794621
-0.1784841075794621 x 100 = -17.85%