18.51% is the change from 335 to 397
Calculation steps:
[( 397 - 335 ) ÷ 335] x 100 = 18.51%
Formula
Percentage change = [(397 - 335) / 335] x 100
Subtract the new number by the original number
397 - 335 = 62
62 ÷ 335 = 0.18507462686567164
0.18507462686567164 x 100 = 18.51%