2% is the change from 799 to 815
Calculation steps:
[( 815 - 799 ) ÷ 799] x 100 = 2%
Formula
Percentage change = [(815 - 799) / 799] x 100
Subtract the new number by the original number
815 - 799 = 16
16 ÷ 799 = 0.02002503128911139
0.02002503128911139 x 100 = 2%