-5.02% is the change from 917 to 871
Calculation steps:
[( 871 - 917 ) ÷ 917] x 100 = -5.02%
Formula
Percentage change = [(871 - 917) / 917] x 100
Subtract the new number by the original number
871 - 917 = -46
-46 ÷ 917 = -0.05016357688113413
-0.05016357688113413 x 100 = -5.02%