53.71% is the change from 350 to 538
Calculation steps:
[( 538 - 350 ) ÷ 350] x 100 = 53.71%
Formula
Percentage change = [(538 - 350) / 350] x 100
Subtract the new number by the original number
538 - 350 = 188
188 ÷ 350 = 0.5371428571428571
0.5371428571428571 x 100 = 53.71%