324% is the change from 100 to 424
Calculation steps:
[( 424 - 100 ) ÷ 100] x 100 = 324%
Formula
Percentage change = [(424 - 100) / 100] x 100
Subtract the new number by the original number
424 - 100 = 324
324 ÷ 100 = 3.24
3.24 x 100 = 324%
Example