29.6% is the change from 642 to 832
Calculation steps:
[( 832 - 642 ) ÷ 642] x 100 = 29.6%
Formula
Percentage change = [(832 - 642) / 642] x 100
Subtract the new number by the original number
832 - 642 = 190
190 ÷ 642 = 0.29595015576323985
0.29595015576323985 x 100 = 29.6%