-9.08% is the change from 727 to 661
Calculation steps:
[( 661 - 727 ) ÷ 727] x 100 = -9.08%
Formula
Percentage change = [(661 - 727) / 727] x 100
Subtract the new number by the original number
661 - 727 = -66
-66 ÷ 727 = -0.0907840440165062
-0.0907840440165062 x 100 = -9.08%