2040% is the change from 45 to 963
Calculation steps:
[( 963 - 45 ) ÷ 45] x 100 = 2040%
Formula
Percentage change = [(963 - 45) / 45] x 100
Subtract the new number by the original number
963 - 45 = 918
918 ÷ 45 = 20.4
20.4 x 100 = 2040%
Example