1633.33% is the change from 21 to 364
Calculation steps:
[( 364 - 21 ) ÷ 21] x 100 = 1633.33%
Formula
Percentage change = [(364 - 21) / 21] x 100
Subtract the new number by the original number
364 - 21 = 343
343 ÷ 21 = 16.333333333333332
16.333333333333332 x 100 = 1633.33%