85.37% is the change from 335 to 621
Calculation steps:
[( 621 - 335 ) ÷ 335] x 100 = 85.37%
Formula
Percentage change = [(621 - 335) / 335] x 100
Subtract the new number by the original number
621 - 335 = 286
286 ÷ 335 = 0.8537313432835821
0.8537313432835821 x 100 = 85.37%