-8.05% is the change from 957 to 880
Calculation steps:
[( 880 - 957 ) ÷ 957] x 100 = -8.05%
Formula
Percentage change = [(880 - 957) / 957] x 100
Subtract the new number by the original number
880 - 957 = -77
-77 ÷ 957 = -0.08045977011494253
-0.08045977011494253 x 100 = -8.05%