1220% is the change from 45 to 594
Calculation steps:
[( 594 - 45 ) ÷ 45] x 100 = 1220%
Formula
Percentage change = [(594 - 45) / 45] x 100
Subtract the new number by the original number
594 - 45 = 549
549 ÷ 45 = 12.2
12.2 x 100 = 1220%
Example