1715.56% is the change from 45 to 817
Calculation steps:
[( 817 - 45 ) ÷ 45] x 100 = 1715.56%
Formula
Percentage change = [(817 - 45) / 45] x 100
Subtract the new number by the original number
817 - 45 = 772
772 ÷ 45 = 17.155555555555555
17.155555555555555 x 100 = 1715.56%