337.84% is the change from 74 to 324
Calculation steps:
[( 324 - 74 ) ÷ 74] x 100 = 337.84%
Formula
Percentage change = [(324 - 74) / 74] x 100
Subtract the new number by the original number
324 - 74 = 250
250 ÷ 74 = 3.3783783783783785
3.3783783783783785 x 100 = 337.84%