0.3% is the change from 996 to 999
Calculation steps:
[( 999 - 996 ) ÷ 996] x 100 = 0.3%
Formula
Percentage change = [(999 - 996) / 996] x 100
Subtract the new number by the original number
999 - 996 = 3
3 ÷ 996 = 0.0030120481927710845
0.0030120481927710845 x 100 = 0.3%