-50.44% is the change from 918 to 455
Calculation steps:
[( 455 - 918 ) ÷ 918] x 100 = -50.44%
Formula
Percentage change = [(455 - 918) / 918] x 100
Subtract the new number by the original number
455 - 918 = -463
-463 ÷ 918 = -0.5043572984749455
-0.5043572984749455 x 100 = -50.44%