-85.08% is the change from 851 to 127
Calculation steps:
[( 127 - 851 ) ÷ 851] x 100 = -85.08%
Formula
Percentage change = [(127 - 851) / 851] x 100
Subtract the new number by the original number
127 - 851 = -724
-724 ÷ 851 = -0.8507638072855465
-0.8507638072855465 x 100 = -85.08%