-1.69% is the change from 886 to 871
Calculation steps:
[( 871 - 886 ) ÷ 886] x 100 = -1.69%
Formula
Percentage change = [(871 - 886) / 886] x 100
Subtract the new number by the original number
871 - 886 = -15
-15 ÷ 886 = -0.016930022573363433
-0.016930022573363433 x 100 = -1.69%