82.05% is the change from 234 to 426
Calculation steps:
[( 426 - 234 ) ÷ 234] x 100 = 82.05%
Formula
Percentage change = [(426 - 234) / 234] x 100
Subtract the new number by the original number
426 - 234 = 192
192 ÷ 234 = 0.8205128205128205
0.8205128205128205 x 100 = 82.05%