23.8% is the change from 664 to 822
Calculation steps:
[( 822 - 664 ) ÷ 664] x 100 = 23.8%
Formula
Percentage change = [(822 - 664) / 664] x 100
Subtract the new number by the original number
822 - 664 = 158
158 ÷ 664 = 0.23795180722891565
0.23795180722891565 x 100 = 23.8%