2.51% is the change from 878 to 900
Calculation steps:
[( 900 - 878 ) ÷ 878] x 100 = 2.51%
Formula
Percentage change = [(900 - 878) / 878] x 100
Subtract the new number by the original number
900 - 878 = 22
22 ÷ 878 = 0.025056947608200455
0.025056947608200455 x 100 = 2.51%