-11.58% is the change from 665 to 588
Calculation steps:
[( 588 - 665 ) ÷ 665] x 100 = -11.58%
Formula
Percentage change = [(588 - 665) / 665] x 100
Subtract the new number by the original number
588 - 665 = -77
-77 ÷ 665 = -0.11578947368421053
-0.11578947368421053 x 100 = -11.58%