339.1% is the change from 156 to 685
Calculation steps:
[( 685 - 156 ) ÷ 156] x 100 = 339.1%
Formula
Percentage change = [(685 - 156) / 156] x 100
Subtract the new number by the original number
685 - 156 = 529
529 ÷ 156 = 3.391025641025641
3.391025641025641 x 100 = 339.1%