-82.37% is the change from 851 to 150
Calculation steps:
[( 150 - 851 ) ÷ 851] x 100 = -82.37%
Formula
Percentage change = [(150 - 851) / 851] x 100
Subtract the new number by the original number
150 - 851 = -701
-701 ÷ 851 = -0.8237367802585194
-0.8237367802585194 x 100 = -82.37%