-66.75% is the change from 851 to 283
Calculation steps:
[( 283 - 851 ) ÷ 851] x 100 = -66.75%
Formula
Percentage change = [(283 - 851) / 851] x 100
Subtract the new number by the original number
283 - 851 = -568
-568 ÷ 851 = -0.6674500587544065
-0.6674500587544065 x 100 = -66.75%