-90.18% is the change from 570 to 56
Calculation steps:
[( 56 - 570 ) ÷ 570] x 100 = -90.18%
Formula
Percentage change = [(56 - 570) / 570] x 100
Subtract the new number by the original number
56 - 570 = -514
-514 ÷ 570 = -0.9017543859649123
-0.9017543859649123 x 100 = -90.18%