-98.81% is the change from 421 to 5
Calculation steps:
[( 5 - 421 ) ÷ 421] x 100 = -98.81%
Formula
Percentage change = [(5 - 421) / 421] x 100
Subtract the new number by the original number
5 - 421 = -416
-416 ÷ 421 = -0.9881235154394299
-0.9881235154394299 x 100 = -98.81%