0.11% is the change from 870 to 871
Calculation steps:
[( 871 - 870 ) ÷ 870] x 100 = 0.11%
Formula
Percentage change = [(871 - 870) / 870] x 100
Subtract the new number by the original number
871 - 870 = 1
1 ÷ 870 = 0.0011494252873563218
0.0011494252873563218 x 100 = 0.11%