34.72% is the change from 337 to 454
Calculation steps:
[( 454 - 337 ) ÷ 337] x 100 = 34.72%
Formula
Percentage change = [(454 - 337) / 337] x 100
Subtract the new number by the original number
454 - 337 = 117
117 ÷ 337 = 0.34718100890207715
0.34718100890207715 x 100 = 34.72%