144.29% is the change from 350 to 855
Calculation steps:
[( 855 - 350 ) ÷ 350] x 100 = 144.29%
Formula
Percentage change = [(855 - 350) / 350] x 100
Subtract the new number by the original number
855 - 350 = 505
505 ÷ 350 = 1.4428571428571428
1.4428571428571428 x 100 = 144.29%