3.22% is the change from 870 to 898
Calculation steps:
[( 898 - 870 ) ÷ 870] x 100 = 3.22%
Formula
Percentage change = [(898 - 870) / 870] x 100
Subtract the new number by the original number
898 - 870 = 28
28 ÷ 870 = 0.03218390804597701
0.03218390804597701 x 100 = 3.22%