88.27% is the change from 341 to 642
Calculation steps:
[( 642 - 341 ) ÷ 341] x 100 = 88.27%
Formula
Percentage change = [(642 - 341) / 341] x 100
Subtract the new number by the original number
642 - 341 = 301
301 ÷ 341 = 0.8826979472140762
0.8826979472140762 x 100 = 88.27%