-99.24% is the change from 918 to 7
Calculation steps:
[( 7 - 918 ) ÷ 918] x 100 = -99.24%
Formula
Percentage change = [(7 - 918) / 918] x 100
Subtract the new number by the original number
7 - 918 = -911
-911 ÷ 918 = -0.9923747276688453
-0.9923747276688453 x 100 = -99.24%