533.33% is the change from 63 to 399
Calculation steps:
[( 399 - 63 ) ÷ 63] x 100 = 533.33%
Formula
Percentage change = [(399 - 63) / 63] x 100
Subtract the new number by the original number
399 - 63 = 336
336 ÷ 63 = 5.333333333333333
5.333333333333333 x 100 = 533.33%