-49.02% is the change from 818 to 417
Calculation steps:
[( 417 - 818 ) ÷ 818] x 100 = -49.02%
Formula
Percentage change = [(417 - 818) / 818] x 100
Subtract the new number by the original number
417 - 818 = -401
-401 ÷ 818 = -0.4902200488997555
-0.4902200488997555 x 100 = -49.02%