-99.56% is the change from 918 to 4
Calculation steps:
[( 4 - 918 ) ÷ 918] x 100 = -99.56%
Formula
Percentage change = [(4 - 918) / 918] x 100
Subtract the new number by the original number
4 - 918 = -914
-914 ÷ 918 = -0.9956427015250545
-0.9956427015250545 x 100 = -99.56%