35.47% is the change from 406 to 550
Calculation steps:
[( 550 - 406 ) ÷ 406] x 100 = 35.47%
Formula
Percentage change = [(550 - 406) / 406] x 100
Subtract the new number by the original number
550 - 406 = 144
144 ÷ 406 = 0.35467980295566504
0.35467980295566504 x 100 = 35.47%