255.56% is the change from 45 to 160
Calculation steps:
[( 160 - 45 ) ÷ 45] x 100 = 255.56%
Formula
Percentage change = [(160 - 45) / 45] x 100
Subtract the new number by the original number
160 - 45 = 115
115 ÷ 45 = 2.5555555555555554
2.5555555555555554 x 100 = 255.56%