-8.62% is the change from 708 to 647
Calculation steps:
[( 647 - 708 ) ÷ 708] x 100 = -8.62%
Formula
Percentage change = [(647 - 708) / 708] x 100
Subtract the new number by the original number
647 - 708 = -61
-61 ÷ 708 = -0.08615819209039548
-0.08615819209039548 x 100 = -8.62%