32.46% is the change from 342 to 453
Calculation steps:
[( 453 - 342 ) ÷ 342] x 100 = 32.46%
Formula
Percentage change = [(453 - 342) / 342] x 100
Subtract the new number by the original number
453 - 342 = 111
111 ÷ 342 = 0.32456140350877194
0.32456140350877194 x 100 = 32.46%