-67.69% is the change from 851 to 275
Calculation steps:
[( 275 - 851 ) ÷ 851] x 100 = -67.69%
Formula
Percentage change = [(275 - 851) / 851] x 100
Subtract the new number by the original number
275 - 851 = -576
-576 ÷ 851 = -0.6768507638072856
-0.6768507638072856 x 100 = -67.69%