0.8% is the change from 870 to 877
Calculation steps:
[( 877 - 870 ) ÷ 870] x 100 = 0.8%
Formula
Percentage change = [(877 - 870) / 870] x 100
Subtract the new number by the original number
877 - 870 = 7
7 ÷ 870 = 0.008045977011494253
0.008045977011494253 x 100 = 0.8%