48.8% is the change from 334 to 497
Calculation steps:
[( 497 - 334 ) ÷ 334] x 100 = 48.8%
Formula
Percentage change = [(497 - 334) / 334] x 100
Subtract the new number by the original number
497 - 334 = 163
163 ÷ 334 = 0.4880239520958084
0.4880239520958084 x 100 = 48.8%