-15.45% is the change from 919 to 777
Calculation steps:
[( 777 - 919 ) ÷ 919] x 100 = -15.45%
Formula
Percentage change = [(777 - 919) / 919] x 100
Subtract the new number by the original number
777 - 919 = -142
-142 ÷ 919 = -0.15451577801958652
-0.15451577801958652 x 100 = -15.45%