356% is the change from 75 to 342
Calculation steps:
[( 342 - 75 ) ÷ 75] x 100 = 356%
Formula
Percentage change = [(342 - 75) / 75] x 100
Subtract the new number by the original number
342 - 75 = 267
267 ÷ 75 = 3.56
3.56 x 100 = 356%
Example