2122.22% is the change from 45 to 1000
Calculation steps:
[( 1000 - 45 ) ÷ 45] x 100 = 2122.22%
Formula
Percentage change = [(1000 - 45) / 45] x 100
Subtract the new number by the original number
1000 - 45 = 955
955 ÷ 45 = 21.22222222222222
21.22222222222222 x 100 = 2122.22%