1495.24% is the change from 21 to 335
Calculation steps:
[( 335 - 21 ) ÷ 21] x 100 = 1495.24%
Formula
Percentage change = [(335 - 21) / 21] x 100
Subtract the new number by the original number
335 - 21 = 314
314 ÷ 21 = 14.952380952380953
14.952380952380953 x 100 = 1495.24%