40.51% is the change from 311 to 437
Calculation steps:
[( 437 - 311 ) ÷ 311] x 100 = 40.51%
Formula
Percentage change = [(437 - 311) / 311] x 100
Subtract the new number by the original number
437 - 311 = 126
126 ÷ 311 = 0.40514469453376206
0.40514469453376206 x 100 = 40.51%