-90.31% is the change from 423 to 41
Calculation steps:
[( 41 - 423 ) ÷ 423] x 100 = -90.31%
Formula
Percentage change = [(41 - 423) / 423] x 100
Subtract the new number by the original number
41 - 423 = -382
-382 ÷ 423 = -0.9030732860520094
-0.9030732860520094 x 100 = -90.31%