85.38% is the change from 342 to 634
Calculation steps:
[( 634 - 342 ) ÷ 342] x 100 = 85.38%
Formula
Percentage change = [(634 - 342) / 342] x 100
Subtract the new number by the original number
634 - 342 = 292
292 ÷ 342 = 0.8538011695906432
0.8538011695906432 x 100 = 85.38%