-20.35% is the change from 570 to 454
Calculation steps:
[( 454 - 570 ) ÷ 570] x 100 = -20.35%
Formula
Percentage change = [(454 - 570) / 570] x 100
Subtract the new number by the original number
454 - 570 = -116
-116 ÷ 570 = -0.20350877192982456
-0.20350877192982456 x 100 = -20.35%