343.92% is the change from 189 to 839
Calculation steps:
[( 839 - 189 ) ÷ 189] x 100 = 343.92%
Formula
Percentage change = [(839 - 189) / 189] x 100
Subtract the new number by the original number
839 - 189 = 650
650 ÷ 189 = 3.439153439153439
3.439153439153439 x 100 = 343.92%