-98.82% is the change from 423 to 5
Calculation steps:
[( 5 - 423 ) ÷ 423] x 100 = -98.82%
Formula
Percentage change = [(5 - 423) / 423] x 100
Subtract the new number by the original number
5 - 423 = -418
-418 ÷ 423 = -0.9881796690307328
-0.9881796690307328 x 100 = -98.82%