-40.67% is the change from 418 to 248
Calculation steps:
[( 248 - 418 ) ÷ 418] x 100 = -40.67%
Formula
Percentage change = [(248 - 418) / 418] x 100
Subtract the new number by the original number
248 - 418 = -170
-170 ÷ 418 = -0.40669856459330145
-0.40669856459330145 x 100 = -40.67%