19.57% is the change from 327 to 391
Calculation steps:
[( 391 - 327 ) ÷ 327] x 100 = 19.57%
Formula
Percentage change = [(391 - 327) / 327] x 100
Subtract the new number by the original number
391 - 327 = 64
64 ÷ 327 = 0.19571865443425077
0.19571865443425077 x 100 = 19.57%