0.5% is the change from 991 to 996
Calculation steps:
[( 996 - 991 ) ÷ 991] x 100 = 0.5%
Formula
Percentage change = [(996 - 991) / 991] x 100
Subtract the new number by the original number
996 - 991 = 5
5 ÷ 991 = 0.005045408678102927
0.005045408678102927 x 100 = 0.5%