2.59% is the change from 848 to 870
Calculation steps:
[( 870 - 848 ) ÷ 848] x 100 = 2.59%
Formula
Percentage change = [(870 - 848) / 848] x 100
Subtract the new number by the original number
870 - 848 = 22
22 ÷ 848 = 0.025943396226415096
0.025943396226415096 x 100 = 2.59%