-13.46% is the change from 899 to 778
Calculation steps:
[( 778 - 899 ) ÷ 899] x 100 = -13.46%
Formula
Percentage change = [(778 - 899) / 899] x 100
Subtract the new number by the original number
778 - 899 = -121
-121 ÷ 899 = -0.13459399332591768
-0.13459399332591768 x 100 = -13.46%