4483.33% is the change from 12 to 550
Calculation steps:
[( 550 - 12 ) ÷ 12] x 100 = 4483.33%
Formula
Percentage change = [(550 - 12) / 12] x 100
Subtract the new number by the original number
550 - 12 = 538
538 ÷ 12 = 44.833333333333336
44.833333333333336 x 100 = 4483.33%