23.73% is the change from 316 to 391
Calculation steps:
[( 391 - 316 ) ÷ 316] x 100 = 23.73%
Formula
Percentage change = [(391 - 316) / 316] x 100
Subtract the new number by the original number
391 - 316 = 75
75 ÷ 316 = 0.23734177215189872
0.23734177215189872 x 100 = 23.73%