112.58% is the change from 302 to 642
Calculation steps:
[( 642 - 302 ) ÷ 302] x 100 = 112.58%
Formula
Percentage change = [(642 - 302) / 302] x 100
Subtract the new number by the original number
642 - 302 = 340
340 ÷ 302 = 1.1258278145695364
1.1258278145695364 x 100 = 112.58%