29.24% is the change from 342 to 442
Calculation steps:
[( 442 - 342 ) ÷ 342] x 100 = 29.24%
Formula
Percentage change = [(442 - 342) / 342] x 100
Subtract the new number by the original number
442 - 342 = 100
100 ÷ 342 = 0.29239766081871343
0.29239766081871343 x 100 = 29.24%