-25.19% is the change from 917 to 686
Calculation steps:
[( 686 - 917 ) ÷ 917] x 100 = -25.19%
Formula
Percentage change = [(686 - 917) / 917] x 100
Subtract the new number by the original number
686 - 917 = -231
-231 ÷ 917 = -0.25190839694656486
-0.25190839694656486 x 100 = -25.19%