-87.5% is the change from 424 to 53
Calculation steps:
[( 53 - 424 ) ÷ 424] x 100 = -87.5%
Formula
Percentage change = [(53 - 424) / 424] x 100
Subtract the new number by the original number
53 - 424 = -371
-371 ÷ 424 = -0.875
-0.875 x 100 = -87.5%
Example