62.83% is the change from 191 to 311
Calculation steps:
[( 311 - 191 ) ÷ 191] x 100 = 62.83%
Formula
Percentage change = [(311 - 191) / 191] x 100
Subtract the new number by the original number
311 - 191 = 120
120 ÷ 191 = 0.6282722513089005
0.6282722513089005 x 100 = 62.83%