-56.1% is the change from 918 to 403
Calculation steps:
[( 403 - 918 ) ÷ 918] x 100 = -56.1%
Formula
Percentage change = [(403 - 918) / 918] x 100
Subtract the new number by the original number
403 - 918 = -515
-515 ÷ 918 = -0.5610021786492375
-0.5610021786492375 x 100 = -56.1%