-6.88% is the change from 945 to 880
Calculation steps:
[( 880 - 945 ) ÷ 945] x 100 = -6.88%
Formula
Percentage change = [(880 - 945) / 945] x 100
Subtract the new number by the original number
880 - 945 = -65
-65 ÷ 945 = -0.06878306878306878
-0.06878306878306878 x 100 = -6.88%