-17.74% is the change from 851 to 700
Calculation steps:
[( 700 - 851 ) ÷ 851] x 100 = -17.74%
Formula
Percentage change = [(700 - 851) / 851] x 100
Subtract the new number by the original number
700 - 851 = -151
-151 ÷ 851 = -0.17743830787309048
-0.17743830787309048 x 100 = -17.74%