142.12% is the change from 349 to 845
Calculation steps:
[( 845 - 349 ) ÷ 349] x 100 = 142.12%
Formula
Percentage change = [(845 - 349) / 349] x 100
Subtract the new number by the original number
845 - 349 = 496
496 ÷ 349 = 1.4212034383954155
1.4212034383954155 x 100 = 142.12%