440% is the change from 45 to 243
Calculation steps:
[( 243 - 45 ) ÷ 45] x 100 = 440%
Formula
Percentage change = [(243 - 45) / 45] x 100
Subtract the new number by the original number
243 - 45 = 198
198 ÷ 45 = 4.4
4.4 x 100 = 440%
Example