-71.9% is the change from 918 to 258
Calculation steps:
[( 258 - 918 ) ÷ 918] x 100 = -71.9%
Formula
Percentage change = [(258 - 918) / 918] x 100
Subtract the new number by the original number
258 - 918 = -660
-660 ÷ 918 = -0.7189542483660131
-0.7189542483660131 x 100 = -71.9%