-4.03% is the change from 917 to 880
Calculation steps:
[( 880 - 917 ) ÷ 917] x 100 = -4.03%
Formula
Percentage change = [(880 - 917) / 917] x 100
Subtract the new number by the original number
880 - 917 = -37
-37 ÷ 917 = -0.04034896401308615
-0.04034896401308615 x 100 = -4.03%