20.18% is the change from 337 to 405
Calculation steps:
[( 405 - 337 ) ÷ 337] x 100 = 20.18%
Formula
Percentage change = [(405 - 337) / 337] x 100
Subtract the new number by the original number
405 - 337 = 68
68 ÷ 337 = 0.20178041543026706
0.20178041543026706 x 100 = 20.18%