-45.35% is the change from 818 to 447
Calculation steps:
[( 447 - 818 ) ÷ 818] x 100 = -45.35%
Formula
Percentage change = [(447 - 818) / 818] x 100
Subtract the new number by the original number
447 - 818 = -371
-371 ÷ 818 = -0.45354523227383864
-0.45354523227383864 x 100 = -45.35%