-65.8% is the change from 851 to 291
Calculation steps:
[( 291 - 851 ) ÷ 851] x 100 = -65.8%
Formula
Percentage change = [(291 - 851) / 851] x 100
Subtract the new number by the original number
291 - 851 = -560
-560 ÷ 851 = -0.6580493537015276
-0.6580493537015276 x 100 = -65.8%