18.86% is the change from 334 to 397
Calculation steps:
[( 397 - 334 ) ÷ 334] x 100 = 18.86%
Formula
Percentage change = [(397 - 334) / 334] x 100
Subtract the new number by the original number
397 - 334 = 63
63 ÷ 334 = 0.18862275449101795
0.18862275449101795 x 100 = 18.86%