2.88% is the change from 798 to 821
Calculation steps:
[( 821 - 798 ) ÷ 798] x 100 = 2.88%
Formula
Percentage change = [(821 - 798) / 798] x 100
Subtract the new number by the original number
821 - 798 = 23
23 ÷ 798 = 0.02882205513784461
0.02882205513784461 x 100 = 2.88%