-21.74% is the change from 414 to 324
Calculation steps:
[( 324 - 414 ) ÷ 414] x 100 = -21.74%
Formula
Percentage change = [(324 - 414) / 414] x 100
Subtract the new number by the original number
324 - 414 = -90
-90 ÷ 414 = -0.21739130434782608
-0.21739130434782608 x 100 = -21.74%