-87.47% is the change from 431 to 54
Calculation steps:
[( 54 - 431 ) ÷ 431] x 100 = -87.47%
Formula
Percentage change = [(54 - 431) / 431] x 100
Subtract the new number by the original number
54 - 431 = -377
-377 ÷ 431 = -0.8747099767981439
-0.8747099767981439 x 100 = -87.47%