29.9% is the change from 301 to 391
Calculation steps:
[( 391 - 301 ) ÷ 301] x 100 = 29.9%
Formula
Percentage change = [(391 - 301) / 301] x 100
Subtract the new number by the original number
391 - 301 = 90
90 ÷ 301 = 0.29900332225913623
0.29900332225913623 x 100 = 29.9%