584.44% is the change from 45 to 308
Calculation steps:
[( 308 - 45 ) ÷ 45] x 100 = 584.44%
Formula
Percentage change = [(308 - 45) / 45] x 100
Subtract the new number by the original number
308 - 45 = 263
263 ÷ 45 = 5.844444444444444
5.844444444444444 x 100 = 584.44%