150.58% is the change from 342 to 857
Calculation steps:
[( 857 - 342 ) ÷ 342] x 100 = 150.58%
Formula
Percentage change = [(857 - 342) / 342] x 100
Subtract the new number by the original number
857 - 342 = 515
515 ÷ 342 = 1.5058479532163742
1.5058479532163742 x 100 = 150.58%