-39.37% is the change from 851 to 516
Calculation steps:
[( 516 - 851 ) ÷ 851] x 100 = -39.37%
Formula
Percentage change = [(516 - 851) / 851] x 100
Subtract the new number by the original number
516 - 851 = -335
-335 ÷ 851 = -0.3936545240893067
-0.3936545240893067 x 100 = -39.37%