-84.37% is the change from 851 to 133
Calculation steps:
[( 133 - 851 ) ÷ 851] x 100 = -84.37%
Formula
Percentage change = [(133 - 851) / 851] x 100
Subtract the new number by the original number
133 - 851 = -718
-718 ÷ 851 = -0.8437132784958872
-0.8437132784958872 x 100 = -84.37%