-64.51% is the change from 851 to 302
Calculation steps:
[( 302 - 851 ) ÷ 851] x 100 = -64.51%
Formula
Percentage change = [(302 - 851) / 851] x 100
Subtract the new number by the original number
302 - 851 = -549
-549 ÷ 851 = -0.645123384253819
-0.645123384253819 x 100 = -64.51%