-25.85% is the change from 917 to 680
Calculation steps:
[( 680 - 917 ) ÷ 917] x 100 = -25.85%
Formula
Percentage change = [(680 - 917) / 917] x 100
Subtract the new number by the original number
680 - 917 = -237
-237 ÷ 917 = -0.2584514721919302
-0.2584514721919302 x 100 = -25.85%