508.89% is the change from 45 to 274
Calculation steps:
[( 274 - 45 ) ÷ 45] x 100 = 508.89%
Formula
Percentage change = [(274 - 45) / 45] x 100
Subtract the new number by the original number
274 - 45 = 229
229 ÷ 45 = 5.088888888888889
5.088888888888889 x 100 = 508.89%