-90.97% is the change from 587 to 53
Calculation steps:
[( 53 - 587 ) ÷ 587] x 100 = -90.97%
Formula
Percentage change = [(53 - 587) / 587] x 100
Subtract the new number by the original number
53 - 587 = -534
-534 ÷ 587 = -0.909710391822828
-0.909710391822828 x 100 = -90.97%