-63.22% is the change from 851 to 313
Calculation steps:
[( 313 - 851 ) ÷ 851] x 100 = -63.22%
Formula
Percentage change = [(313 - 851) / 851] x 100
Subtract the new number by the original number
313 - 851 = -538
-538 ÷ 851 = -0.6321974148061105
-0.6321974148061105 x 100 = -63.22%