31.28% is the change from 422 to 554
Calculation steps:
[( 554 - 422 ) ÷ 422] x 100 = 31.28%
Formula
Percentage change = [(554 - 422) / 422] x 100
Subtract the new number by the original number
554 - 422 = 132
132 ÷ 422 = 0.3127962085308057
0.3127962085308057 x 100 = 31.28%