-12.73% is the change from 660 to 576
Calculation steps:
[( 576 - 660 ) ÷ 660] x 100 = -12.73%
Formula
Percentage change = [(576 - 660) / 660] x 100
Subtract the new number by the original number
576 - 660 = -84
-84 ÷ 660 = -0.12727272727272726
-0.12727272727272726 x 100 = -12.73%