343.24% is the change from 74 to 328
Calculation steps:
[( 328 - 74 ) ÷ 74] x 100 = 343.24%
Formula
Percentage change = [(328 - 74) / 74] x 100
Subtract the new number by the original number
328 - 74 = 254
254 ÷ 74 = 3.4324324324324325
3.4324324324324325 x 100 = 343.24%