32.1% is the change from 623 to 823
Calculation steps:
[( 823 - 623 ) ÷ 623] x 100 = 32.1%
Formula
Percentage change = [(823 - 623) / 623] x 100
Subtract the new number by the original number
823 - 623 = 200
200 ÷ 623 = 0.32102728731942215
0.32102728731942215 x 100 = 32.1%