-84.12% is the change from 573 to 91
Calculation steps:
[( 91 - 573 ) ÷ 573] x 100 = -84.12%
Formula
Percentage change = [(91 - 573) / 573] x 100
Subtract the new number by the original number
91 - 573 = -482
-482 ÷ 573 = -0.8411867364746946
-0.8411867364746946 x 100 = -84.12%