28.31% is the change from 664 to 852
Calculation steps:
[( 852 - 664 ) ÷ 664] x 100 = 28.31%
Formula
Percentage change = [(852 - 664) / 664] x 100
Subtract the new number by the original number
852 - 664 = 188
188 ÷ 664 = 0.28313253012048195
0.28313253012048195 x 100 = 28.31%