-18.84% is the change from 414 to 336
Calculation steps:
[( 336 - 414 ) ÷ 414] x 100 = -18.84%
Formula
Percentage change = [(336 - 414) / 414] x 100
Subtract the new number by the original number
336 - 414 = -78
-78 ÷ 414 = -0.18840579710144928
-0.18840579710144928 x 100 = -18.84%