145.4% is the change from 348 to 854
Calculation steps:
[( 854 - 348 ) ÷ 348] x 100 = 145.4%
Formula
Percentage change = [(854 - 348) / 348] x 100
Subtract the new number by the original number
854 - 348 = 506
506 ÷ 348 = 1.4540229885057472
1.4540229885057472 x 100 = 145.4%