32.38% is the change from 664 to 879
Calculation steps:
[( 879 - 664 ) ÷ 664] x 100 = 32.38%
Formula
Percentage change = [(879 - 664) / 664] x 100
Subtract the new number by the original number
879 - 664 = 215
215 ÷ 664 = 0.32379518072289154
0.32379518072289154 x 100 = 32.38%