-9.26% is the change from 680 to 617
Calculation steps:
[( 617 - 680 ) ÷ 680] x 100 = -9.26%
Formula
Percentage change = [(617 - 680) / 680] x 100
Subtract the new number by the original number
617 - 680 = -63
-63 ÷ 680 = -0.09264705882352942
-0.09264705882352942 x 100 = -9.26%