-90.28% is the change from 545 to 53
Calculation steps:
[( 53 - 545 ) ÷ 545] x 100 = -90.28%
Formula
Percentage change = [(53 - 545) / 545] x 100
Subtract the new number by the original number
53 - 545 = -492
-492 ÷ 545 = -0.9027522935779817
-0.9027522935779817 x 100 = -90.28%