7.7% is the change from 870 to 937
Calculation steps:
[( 937 - 870 ) ÷ 870] x 100 = 7.7%
Formula
Percentage change = [(937 - 870) / 870] x 100
Subtract the new number by the original number
937 - 870 = 67
67 ÷ 870 = 0.07701149425287357
0.07701149425287357 x 100 = 7.7%