71.14% is the change from 350 to 599
Calculation steps:
[( 599 - 350 ) ÷ 350] x 100 = 71.14%
Formula
Percentage change = [(599 - 350) / 350] x 100
Subtract the new number by the original number
599 - 350 = 249
249 ÷ 350 = 0.7114285714285714
0.7114285714285714 x 100 = 71.14%