-4.6% is the change from 913 to 871
Calculation steps:
[( 871 - 913 ) ÷ 913] x 100 = -4.6%
Formula
Percentage change = [(871 - 913) / 913] x 100
Subtract the new number by the original number
871 - 913 = -42
-42 ÷ 913 = -0.04600219058050383
-0.04600219058050383 x 100 = -4.6%