423.81% is the change from 105 to 550
Calculation steps:
[( 550 - 105 ) ÷ 105] x 100 = 423.81%
Formula
Percentage change = [(550 - 105) / 105] x 100
Subtract the new number by the original number
550 - 105 = 445
445 ÷ 105 = 4.238095238095238
4.238095238095238 x 100 = 423.81%