320.59% is the change from 34 to 143
Calculation steps:
[( 143 - 34 ) ÷ 34] x 100 = 320.59%
Formula
Percentage change = [(143 - 34) / 34] x 100
Subtract the new number by the original number
143 - 34 = 109
109 ÷ 34 = 3.2058823529411766
3.2058823529411766 x 100 = 320.59%