-68.51% is the change from 851 to 268
Calculation steps:
[( 268 - 851 ) ÷ 851] x 100 = -68.51%
Formula
Percentage change = [(268 - 851) / 851] x 100
Subtract the new number by the original number
268 - 851 = -583
-583 ÷ 851 = -0.6850763807285546
-0.6850763807285546 x 100 = -68.51%