-12.86% is the change from 661 to 576
Calculation steps:
[( 576 - 661 ) ÷ 661] x 100 = -12.86%
Formula
Percentage change = [(576 - 661) / 661] x 100
Subtract the new number by the original number
576 - 661 = -85
-85 ÷ 661 = -0.12859304084720122
-0.12859304084720122 x 100 = -12.86%