68.06% is the change from 191 to 321
Calculation steps:
[( 321 - 191 ) ÷ 191] x 100 = 68.06%
Formula
Percentage change = [(321 - 191) / 191] x 100
Subtract the new number by the original number
321 - 191 = 130
130 ÷ 191 = 0.680628272251309
0.680628272251309 x 100 = 68.06%