648.89% is the change from 45 to 337
Calculation steps:
[( 337 - 45 ) ÷ 45] x 100 = 648.89%
Formula
Percentage change = [(337 - 45) / 45] x 100
Subtract the new number by the original number
337 - 45 = 292
292 ÷ 45 = 6.488888888888889
6.488888888888889 x 100 = 648.89%