-89.75% is the change from 527 to 54
Calculation steps:
[( 54 - 527 ) ÷ 527] x 100 = -89.75%
Formula
Percentage change = [(54 - 527) / 527] x 100
Subtract the new number by the original number
54 - 527 = -473
-473 ÷ 527 = -0.8975332068311196
-0.8975332068311196 x 100 = -89.75%
Example