29.52% is the change from 664 to 860
Calculation steps:
[( 860 - 664 ) ÷ 664] x 100 = 29.52%
Formula
Percentage change = [(860 - 664) / 664] x 100
Subtract the new number by the original number
860 - 664 = 196
196 ÷ 664 = 0.29518072289156627
0.29518072289156627 x 100 = 29.52%