-21.58% is the change from 570 to 447
Calculation steps:
[( 447 - 570 ) ÷ 570] x 100 = -21.58%
Formula
Percentage change = [(447 - 570) / 570] x 100
Subtract the new number by the original number
447 - 570 = -123
-123 ÷ 570 = -0.21578947368421053
-0.21578947368421053 x 100 = -21.58%