3.87% is the change from 878 to 912
Calculation steps:
[( 912 - 878 ) ÷ 878] x 100 = 3.87%
Formula
Percentage change = [(912 - 878) / 878] x 100
Subtract the new number by the original number
912 - 878 = 34
34 ÷ 878 = 0.0387243735763098
0.0387243735763098 x 100 = 3.87%