-69.45% is the change from 851 to 260
Calculation steps:
[( 260 - 851 ) ÷ 851] x 100 = -69.45%
Formula
Percentage change = [(260 - 851) / 851] x 100
Subtract the new number by the original number
260 - 851 = -591
-591 ÷ 851 = -0.6944770857814336
-0.6944770857814336 x 100 = -69.45%