37.3% is the change from 311 to 427
Calculation steps:
[( 427 - 311 ) ÷ 311] x 100 = 37.3%
Formula
Percentage change = [(427 - 311) / 311] x 100
Subtract the new number by the original number
427 - 311 = 116
116 ÷ 311 = 0.3729903536977492
0.3729903536977492 x 100 = 37.3%