-39.54% is the change from 918 to 555
Calculation steps:
[( 555 - 918 ) ÷ 918] x 100 = -39.54%
Formula
Percentage change = [(555 - 918) / 918] x 100
Subtract the new number by the original number
555 - 918 = -363
-363 ÷ 918 = -0.3954248366013072
-0.3954248366013072 x 100 = -39.54%