-98.09% is the change from 418 to 8
Calculation steps:
[( 8 - 418 ) ÷ 418] x 100 = -98.09%
Formula
Percentage change = [(8 - 418) / 418] x 100
Subtract the new number by the original number
8 - 418 = -410
-410 ÷ 418 = -0.9808612440191388
-0.9808612440191388 x 100 = -98.09%