-25.27% is the change from 918 to 686
Calculation steps:
[( 686 - 918 ) ÷ 918] x 100 = -25.27%
Formula
Percentage change = [(686 - 918) / 918] x 100
Subtract the new number by the original number
686 - 918 = -232
-232 ÷ 918 = -0.25272331154684097
-0.25272331154684097 x 100 = -25.27%