-87.47% is the change from 423 to 53
Calculation steps:
[( 53 - 423 ) ÷ 423] x 100 = -87.47%
Formula
Percentage change = [(53 - 423) / 423] x 100
Subtract the new number by the original number
53 - 423 = -370
-370 ÷ 423 = -0.8747044917257684
-0.8747044917257684 x 100 = -87.47%