-74.85% is the change from 851 to 214
Calculation steps:
[( 214 - 851 ) ÷ 851] x 100 = -74.85%
Formula
Percentage change = [(214 - 851) / 851] x 100
Subtract the new number by the original number
214 - 851 = -637
-637 ÷ 851 = -0.7485311398354877
-0.7485311398354877 x 100 = -74.85%