-68.98% is the change from 851 to 264
Calculation steps:
[( 264 - 851 ) ÷ 851] x 100 = -68.98%
Formula
Percentage change = [(264 - 851) / 851] x 100
Subtract the new number by the original number
264 - 851 = -587
-587 ÷ 851 = -0.6897767332549941
-0.6897767332549941 x 100 = -68.98%