1744.44% is the change from 45 to 830
Calculation steps:
[( 830 - 45 ) ÷ 45] x 100 = 1744.44%
Formula
Percentage change = [(830 - 45) / 45] x 100
Subtract the new number by the original number
830 - 45 = 785
785 ÷ 45 = 17.444444444444443
17.444444444444443 x 100 = 1744.44%