27.86% is the change from 664 to 849
Calculation steps:
[( 849 - 664 ) ÷ 664] x 100 = 27.86%
Formula
Percentage change = [(849 - 664) / 664] x 100
Subtract the new number by the original number
849 - 664 = 185
185 ÷ 664 = 0.2786144578313253
0.2786144578313253 x 100 = 27.86%