97.08% is the change from 342 to 674
Calculation steps:
[( 674 - 342 ) ÷ 342] x 100 = 97.08%
Formula
Percentage change = [(674 - 342) / 342] x 100
Subtract the new number by the original number
674 - 342 = 332
332 ÷ 342 = 0.9707602339181286
0.9707602339181286 x 100 = 97.08%