1122.22% is the change from 45 to 550
Calculation steps:
[( 550 - 45 ) ÷ 45] x 100 = 1122.22%
Formula
Percentage change = [(550 - 45) / 45] x 100
Subtract the new number by the original number
550 - 45 = 505
505 ÷ 45 = 11.222222222222221
11.222222222222221 x 100 = 1122.22%