439.22% is the change from 102 to 550
Calculation steps:
[( 550 - 102 ) ÷ 102] x 100 = 439.22%
Formula
Percentage change = [(550 - 102) / 102] x 100
Subtract the new number by the original number
550 - 102 = 448
448 ÷ 102 = 4.392156862745098
4.392156862745098 x 100 = 439.22%