-13.13% is the change from 670 to 582
Calculation steps:
[( 582 - 670 ) ÷ 670] x 100 = -13.13%
Formula
Percentage change = [(582 - 670) / 670] x 100
Subtract the new number by the original number
582 - 670 = -88
-88 ÷ 670 = -0.13134328358208955
-0.13134328358208955 x 100 = -13.13%