-8.75% is the change from 720 to 657
Calculation steps:
[( 657 - 720 ) ÷ 720] x 100 = -8.75%
Formula
Percentage change = [(657 - 720) / 720] x 100
Subtract the new number by the original number
657 - 720 = -63
-63 ÷ 720 = -0.0875
-0.0875 x 100 = -8.75%