50% is the change from 22 to 33
Calculation steps:
[( 33 - 22 ) ÷ 22] x 100 = 50%
Formula
Percentage change = [(33 - 22) / 22] x 100
Subtract the new number by the original number
33 - 22 = 11
11 ÷ 22 = 0.5
0.5 x 100 = 50%
Example