-87.02% is the change from 570 to 74
Calculation steps:
[( 74 - 570 ) ÷ 570] x 100 = -87.02%
Formula
Percentage change = [(74 - 570) / 570] x 100
Subtract the new number by the original number
74 - 570 = -496
-496 ÷ 570 = -0.8701754385964913
-0.8701754385964913 x 100 = -87.02%