-23.15% is the change from 851 to 654
Calculation steps:
[( 654 - 851 ) ÷ 851] x 100 = -23.15%
Formula
Percentage change = [(654 - 851) / 851] x 100
Subtract the new number by the original number
654 - 851 = -197
-197 ÷ 851 = -0.23149236192714454
-0.23149236192714454 x 100 = -23.15%