100% is the change from 5 to 10
Calculation steps:
[( 10 - 5 ) ÷ 5] x 100 = 100%
Formula
Percentage change = [(10 - 5) / 5] x 100
Subtract the new number by the original number
10 - 5 = 5
5 ÷ 5 = 1
1 x 100 = 100%
Example