-89.56% is the change from 527 to 55
Calculation steps:
[( 55 - 527 ) ÷ 527] x 100 = -89.56%
Formula
Percentage change = [(55 - 527) / 527] x 100
Subtract the new number by the original number
55 - 527 = -472
-472 ÷ 527 = -0.8956356736242884
-0.8956356736242884 x 100 = -89.56%