-29.38% is the change from 851 to 601
Calculation steps:
[( 601 - 851 ) ÷ 851] x 100 = -29.38%
Formula
Percentage change = [(601 - 851) / 851] x 100
Subtract the new number by the original number
601 - 851 = -250
-250 ÷ 851 = -0.2937720329024677
-0.2937720329024677 x 100 = -29.38%