-95.13% is the change from 431 to 21
Calculation steps:
[( 21 - 431 ) ÷ 431] x 100 = -95.13%
Formula
Percentage change = [(21 - 431) / 431] x 100
Subtract the new number by the original number
21 - 431 = -410
-410 ÷ 431 = -0.951276102088167
-0.951276102088167 x 100 = -95.13%