-4.29% is the change from 910 to 871
Calculation steps:
[( 871 - 910 ) ÷ 910] x 100 = -4.29%
Formula
Percentage change = [(871 - 910) / 910] x 100
Subtract the new number by the original number
871 - 910 = -39
-39 ÷ 910 = -0.04285714285714286
-0.04285714285714286 x 100 = -4.29%