-9.78% is the change from 818 to 738
Calculation steps:
[( 738 - 818 ) ÷ 818] x 100 = -9.78%
Formula
Percentage change = [(738 - 818) / 818] x 100
Subtract the new number by the original number
738 - 818 = -80
-80 ÷ 818 = -0.097799511002445
-0.097799511002445 x 100 = -9.78%