92.22% is the change from 334 to 642
Calculation steps:
[( 642 - 334 ) ÷ 334] x 100 = 92.22%
Formula
Percentage change = [(642 - 334) / 334] x 100
Subtract the new number by the original number
642 - 334 = 308
308 ÷ 334 = 0.9221556886227545
0.9221556886227545 x 100 = 92.22%