31.94% is the change from 623 to 822
Calculation steps:
[( 822 - 623 ) ÷ 623] x 100 = 31.94%
Formula
Percentage change = [(822 - 623) / 623] x 100
Subtract the new number by the original number
822 - 623 = 199
199 ÷ 623 = 0.31942215088282505
0.31942215088282505 x 100 = 31.94%