-67.22% is the change from 845 to 277
Calculation steps:
[( 277 - 845 ) ÷ 845] x 100 = -67.22%
Formula
Percentage change = [(277 - 845) / 845] x 100
Subtract the new number by the original number
277 - 845 = -568
-568 ÷ 845 = -0.672189349112426
-0.672189349112426 x 100 = -67.22%