96.2% is the change from 342 to 671
Calculation steps:
[( 671 - 342 ) ÷ 342] x 100 = 96.2%
Formula
Percentage change = [(671 - 342) / 342] x 100
Subtract the new number by the original number
671 - 342 = 329
329 ÷ 342 = 0.9619883040935673
0.9619883040935673 x 100 = 96.2%