31.63% is the change from 667 to 878
Calculation steps:
[( 878 - 667 ) ÷ 667] x 100 = 31.63%
Formula
Percentage change = [(878 - 667) / 667] x 100
Subtract the new number by the original number
878 - 667 = 211
211 ÷ 667 = 0.31634182908545727
0.31634182908545727 x 100 = 31.63%