1580% is the change from 45 to 756
Calculation steps:
[( 756 - 45 ) ÷ 45] x 100 = 1580%
Formula
Percentage change = [(756 - 45) / 45] x 100
Subtract the new number by the original number
756 - 45 = 711
711 ÷ 45 = 15.8
15.8 x 100 = 1580%
Example