1.26% is the change from 870 to 881
Calculation steps:
[( 881 - 870 ) ÷ 870] x 100 = 1.26%
Formula
Percentage change = [(881 - 870) / 870] x 100
Subtract the new number by the original number
881 - 870 = 11
11 ÷ 870 = 0.01264367816091954
0.01264367816091954 x 100 = 1.26%