-13.8% is the change from 877 to 756
Calculation steps:
[( 756 - 877 ) ÷ 877] x 100 = -13.8%
Formula
Percentage change = [(756 - 877) / 877] x 100
Subtract the new number by the original number
756 - 877 = -121
-121 ÷ 877 = -0.1379703534777651
-0.1379703534777651 x 100 = -13.8%