2117.78% is the change from 45 to 998
Calculation steps:
[( 998 - 45 ) ÷ 45] x 100 = 2117.78%
Formula
Percentage change = [(998 - 45) / 45] x 100
Subtract the new number by the original number
998 - 45 = 953
953 ÷ 45 = 21.177777777777777
21.177777777777777 x 100 = 2117.78%