38.32% is the change from 334 to 462
Calculation steps:
[( 462 - 334 ) ÷ 334] x 100 = 38.32%
Formula
Percentage change = [(462 - 334) / 334] x 100
Subtract the new number by the original number
462 - 334 = 128
128 ÷ 334 = 0.38323353293413176
0.38323353293413176 x 100 = 38.32%