33.5% is the change from 412 to 550
Calculation steps:
[( 550 - 412 ) ÷ 412] x 100 = 33.5%
Formula
Percentage change = [(550 - 412) / 412] x 100
Subtract the new number by the original number
550 - 412 = 138
138 ÷ 412 = 0.33495145631067963
0.33495145631067963 x 100 = 33.5%