-82.55% is the change from 573 to 100
Calculation steps:
[( 100 - 573 ) ÷ 573] x 100 = -82.55%
Formula
Percentage change = [(100 - 573) / 573] x 100
Subtract the new number by the original number
100 - 573 = -473
-473 ÷ 573 = -0.8254799301919721
-0.8254799301919721 x 100 = -82.55%