-65.1% is the change from 851 to 297
Calculation steps:
[( 297 - 851 ) ÷ 851] x 100 = -65.1%
Formula
Percentage change = [(297 - 851) / 851] x 100
Subtract the new number by the original number
297 - 851 = -554
-554 ÷ 851 = -0.6509988249118684
-0.6509988249118684 x 100 = -65.1%