-2.98% is the change from 907 to 880
Calculation steps:
[( 880 - 907 ) ÷ 907] x 100 = -2.98%
Formula
Percentage change = [(880 - 907) / 907] x 100
Subtract the new number by the original number
880 - 907 = -27
-27 ÷ 907 = -0.029768467475192944
-0.029768467475192944 x 100 = -2.98%