1120% is the change from 45 to 549
Calculation steps:
[( 549 - 45 ) ÷ 45] x 100 = 1120%
Formula
Percentage change = [(549 - 45) / 45] x 100
Subtract the new number by the original number
549 - 45 = 504
504 ÷ 45 = 11.2
11.2 x 100 = 1120%
Example