-9.43% is the change from 848 to 768
Calculation steps:
[( 768 - 848 ) ÷ 848] x 100 = -9.43%
Formula
Percentage change = [(768 - 848) / 848] x 100
Subtract the new number by the original number
768 - 848 = -80
-80 ÷ 848 = -0.09433962264150944
-0.09433962264150944 x 100 = -9.43%