140.8% is the change from 348 to 838
Calculation steps:
[( 838 - 348 ) ÷ 348] x 100 = 140.8%
Formula
Percentage change = [(838 - 348) / 348] x 100
Subtract the new number by the original number
838 - 348 = 490
490 ÷ 348 = 1.4080459770114941
1.4080459770114941 x 100 = 140.8%