21.75% is the change from 676 to 823
Calculation steps:
[( 823 - 676 ) ÷ 676] x 100 = 21.75%
Formula
Percentage change = [(823 - 676) / 676] x 100
Subtract the new number by the original number
823 - 676 = 147
147 ÷ 676 = 0.21745562130177515
0.21745562130177515 x 100 = 21.75%