81.19% is the change from 335 to 607
Calculation steps:
[( 607 - 335 ) ÷ 335] x 100 = 81.19%
Formula
Percentage change = [(607 - 335) / 335] x 100
Subtract the new number by the original number
607 - 335 = 272
272 ÷ 335 = 0.8119402985074626
0.8119402985074626 x 100 = 81.19%