-15.36% is the change from 918 to 777
Calculation steps:
[( 777 - 918 ) ÷ 918] x 100 = -15.36%
Formula
Percentage change = [(777 - 918) / 918] x 100
Subtract the new number by the original number
777 - 918 = -141
-141 ÷ 918 = -0.15359477124183007
-0.15359477124183007 x 100 = -15.36%