-97.41% is the change from 851 to 22
Calculation steps:
[( 22 - 851 ) ÷ 851] x 100 = -97.41%
Formula
Percentage change = [(22 - 851) / 851] x 100
Subtract the new number by the original number
22 - 851 = -829
-829 ÷ 851 = -0.9741480611045829
-0.9741480611045829 x 100 = -97.41%