-44.5% is the change from 818 to 454
Calculation steps:
[( 454 - 818 ) ÷ 818] x 100 = -44.5%
Formula
Percentage change = [(454 - 818) / 818] x 100
Subtract the new number by the original number
454 - 818 = -364
-364 ÷ 818 = -0.4449877750611247
-0.4449877750611247 x 100 = -44.5%