-22.49% is the change from 418 to 324
Calculation steps:
[( 324 - 418 ) ÷ 418] x 100 = -22.49%
Formula
Percentage change = [(324 - 418) / 418] x 100
Subtract the new number by the original number
324 - 418 = -94
-94 ÷ 418 = -0.22488038277511962
-0.22488038277511962 x 100 = -22.49%