34.12% is the change from 337 to 452
Calculation steps:
[( 452 - 337 ) ÷ 337] x 100 = 34.12%
Formula
Percentage change = [(452 - 337) / 337] x 100
Subtract the new number by the original number
452 - 337 = 115
115 ÷ 337 = 0.34124629080118696
0.34124629080118696 x 100 = 34.12%