-90.49% is the change from 431 to 41
Calculation steps:
[( 41 - 431 ) ÷ 431] x 100 = -90.49%
Formula
Percentage change = [(41 - 431) / 431] x 100
Subtract the new number by the original number
41 - 431 = -390
-390 ÷ 431 = -0.9048723897911833
-0.9048723897911833 x 100 = -90.49%