21.15% is the change from 676 to 819
Calculation steps:
[( 819 - 676 ) ÷ 676] x 100 = 21.15%
Formula
Percentage change = [(819 - 676) / 676] x 100
Subtract the new number by the original number
819 - 676 = 143
143 ÷ 676 = 0.21153846153846154
0.21153846153846154 x 100 = 21.15%