-69.1% is the change from 851 to 263
Calculation steps:
[( 263 - 851 ) ÷ 851] x 100 = -69.1%
Formula
Percentage change = [(263 - 851) / 851] x 100
Subtract the new number by the original number
263 - 851 = -588
-588 ÷ 851 = -0.690951821386604
-0.690951821386604 x 100 = -69.1%