-45.32% is the change from 918 to 502
Calculation steps:
[( 502 - 918 ) ÷ 918] x 100 = -45.32%
Formula
Percentage change = [(502 - 918) / 918] x 100
Subtract the new number by the original number
502 - 918 = -416
-416 ÷ 918 = -0.4531590413943355
-0.4531590413943355 x 100 = -45.32%