-7.87% is the change from 851 to 784
Calculation steps:
[( 784 - 851 ) ÷ 851] x 100 = -7.87%
Formula
Percentage change = [(784 - 851) / 851] x 100
Subtract the new number by the original number
784 - 851 = -67
-67 ÷ 851 = -0.07873090481786134
-0.07873090481786134 x 100 = -7.87%