-12.98% is the change from 878 to 764
Calculation steps:
[( 764 - 878 ) ÷ 878] x 100 = -12.98%
Formula
Percentage change = [(764 - 878) / 878] x 100
Subtract the new number by the original number
764 - 878 = -114
-114 ÷ 878 = -0.12984054669703873
-0.12984054669703873 x 100 = -12.98%