2115.56% is the change from 45 to 997
Calculation steps:
[( 997 - 45 ) ÷ 45] x 100 = 2115.56%
Formula
Percentage change = [(997 - 45) / 45] x 100
Subtract the new number by the original number
997 - 45 = 952
952 ÷ 45 = 21.155555555555555
21.155555555555555 x 100 = 2115.56%