-90.64% is the change from 577 to 54
Calculation steps:
[( 54 - 577 ) ÷ 577] x 100 = -90.64%
Formula
Percentage change = [(54 - 577) / 577] x 100
Subtract the new number by the original number
54 - 577 = -523
-523 ÷ 577 = -0.9064124783362218
-0.9064124783362218 x 100 = -90.64%