-31.34% is the change from 568 to 390
Calculation steps:
[( 390 - 568 ) ÷ 568] x 100 = -31.34%
Formula
Percentage change = [(390 - 568) / 568] x 100
Subtract the new number by the original number
390 - 568 = -178
-178 ÷ 568 = -0.31338028169014087
-0.31338028169014087 x 100 = -31.34%