22.89% is the change from 664 to 816
Calculation steps:
[( 816 - 664 ) ÷ 664] x 100 = 22.89%
Formula
Percentage change = [(816 - 664) / 664] x 100
Subtract the new number by the original number
816 - 664 = 152
152 ÷ 664 = 0.2289156626506024
0.2289156626506024 x 100 = 22.89%