31.78% is the change from 667 to 879
Calculation steps:
[( 879 - 667 ) ÷ 667] x 100 = 31.78%
Formula
Percentage change = [(879 - 667) / 667] x 100
Subtract the new number by the original number
879 - 667 = 212
212 ÷ 667 = 0.31784107946026985
0.31784107946026985 x 100 = 31.78%