12.64% is the change from 870 to 980
Calculation steps:
[( 980 - 870 ) ÷ 870] x 100 = 12.64%
Formula
Percentage change = [(980 - 870) / 870] x 100
Subtract the new number by the original number
980 - 870 = 110
110 ÷ 870 = 0.12643678160919541
0.12643678160919541 x 100 = 12.64%