-7.76% is the change from 851 to 785
Calculation steps:
[( 785 - 851 ) ÷ 851] x 100 = -7.76%
Formula
Percentage change = [(785 - 851) / 851] x 100
Subtract the new number by the original number
785 - 851 = -66
-66 ÷ 851 = -0.07755581668625147
-0.07755581668625147 x 100 = -7.76%