-7.57% is the change from 845 to 781
Calculation steps:
[( 781 - 845 ) ÷ 845] x 100 = -7.57%
Formula
Percentage change = [(781 - 845) / 845] x 100
Subtract the new number by the original number
781 - 845 = -64
-64 ÷ 845 = -0.0757396449704142
-0.0757396449704142 x 100 = -7.57%