-9.13% is the change from 712 to 647
Calculation steps:
[( 647 - 712 ) ÷ 712] x 100 = -9.13%
Formula
Percentage change = [(647 - 712) / 712] x 100
Subtract the new number by the original number
647 - 712 = -65
-65 ÷ 712 = -0.09129213483146068
-0.09129213483146068 x 100 = -9.13%