-8.48% is the change from 837 to 766
Calculation steps:
[( 766 - 837 ) ÷ 837] x 100 = -8.48%
Formula
Percentage change = [(766 - 837) / 837] x 100
Subtract the new number by the original number
766 - 837 = -71
-71 ÷ 837 = -0.08482676224611709
-0.08482676224611709 x 100 = -8.48%