-12.88% is the change from 660 to 575
Calculation steps:
[( 575 - 660 ) ÷ 660] x 100 = -12.88%
Formula
Percentage change = [(575 - 660) / 660] x 100
Subtract the new number by the original number
575 - 660 = -85
-85 ÷ 660 = -0.12878787878787878
-0.12878787878787878 x 100 = -12.88%