149.42% is the change from 342 to 853
Calculation steps:
[( 853 - 342 ) ÷ 342] x 100 = 149.42%
Formula
Percentage change = [(853 - 342) / 342] x 100
Subtract the new number by the original number
853 - 342 = 511
511 ÷ 342 = 1.4941520467836258
1.4941520467836258 x 100 = 149.42%