34.52% is the change from 336 to 452
Calculation steps:
[( 452 - 336 ) ÷ 336] x 100 = 34.52%
Formula
Percentage change = [(452 - 336) / 336] x 100
Subtract the new number by the original number
452 - 336 = 116
116 ÷ 336 = 0.34523809523809523
0.34523809523809523 x 100 = 34.52%