-25.93% is the change from 918 to 680
Calculation steps:
[( 680 - 918 ) ÷ 918] x 100 = -25.93%
Formula
Percentage change = [(680 - 918) / 918] x 100
Subtract the new number by the original number
680 - 918 = -238
-238 ÷ 918 = -0.25925925925925924
-0.25925925925925924 x 100 = -25.93%