-1.02% is the change from 886 to 877
Calculation steps:
[( 877 - 886 ) ÷ 886] x 100 = -1.02%
Formula
Percentage change = [(877 - 886) / 886] x 100
Subtract the new number by the original number
877 - 886 = -9
-9 ÷ 886 = -0.010158013544018058
-0.010158013544018058 x 100 = -1.02%