-8.05% is the change from 845 to 777
Calculation steps:
[( 777 - 845 ) ÷ 845] x 100 = -8.05%
Formula
Percentage change = [(777 - 845) / 845] x 100
Subtract the new number by the original number
777 - 845 = -68
-68 ÷ 845 = -0.08047337278106509
-0.08047337278106509 x 100 = -8.05%