-55.88% is the change from 918 to 405
Calculation steps:
[( 405 - 918 ) ÷ 918] x 100 = -55.88%
Formula
Percentage change = [(405 - 918) / 918] x 100
Subtract the new number by the original number
405 - 918 = -513
-513 ÷ 918 = -0.5588235294117647
-0.5588235294117647 x 100 = -55.88%