2400% is the change from 22 to 550
Calculation steps:
[( 550 - 22 ) ÷ 22] x 100 = 2400%
Formula
Percentage change = [(550 - 22) / 22] x 100
Subtract the new number by the original number
550 - 22 = 528
528 ÷ 22 = 24
24 x 100 = 2400%
Example