-55.56% is the change from 918 to 408
Calculation steps:
[( 408 - 918 ) ÷ 918] x 100 = -55.56%
Formula
Percentage change = [(408 - 918) / 918] x 100
Subtract the new number by the original number
408 - 918 = -510
-510 ÷ 918 = -0.5555555555555556
-0.5555555555555556 x 100 = -55.56%