31.93% is the change from 664 to 876
Calculation steps:
[( 876 - 664 ) ÷ 664] x 100 = 31.93%
Formula
Percentage change = [(876 - 664) / 664] x 100
Subtract the new number by the original number
876 - 664 = 212
212 ÷ 664 = 0.3192771084337349
0.3192771084337349 x 100 = 31.93%