2.11% is the change from 852 to 870
Calculation steps:
[( 870 - 852 ) ÷ 852] x 100 = 2.11%
Formula
Percentage change = [(870 - 852) / 852] x 100
Subtract the new number by the original number
870 - 852 = 18
18 ÷ 852 = 0.02112676056338028
0.02112676056338028 x 100 = 2.11%