74.27% is the change from 342 to 596
Calculation steps:
[( 596 - 342 ) ÷ 342] x 100 = 74.27%
Formula
Percentage change = [(596 - 342) / 342] x 100
Subtract the new number by the original number
596 - 342 = 254
254 ÷ 342 = 0.7426900584795322
0.7426900584795322 x 100 = 74.27%