-20.46% is the change from 777 to 618
Calculation steps:
[( 618 - 777 ) ÷ 777] x 100 = -20.46%
Formula
Percentage change = [(618 - 777) / 777] x 100
Subtract the new number by the original number
618 - 777 = -159
-159 ÷ 777 = -0.20463320463320464
-0.20463320463320464 x 100 = -20.46%