-81.86% is the change from 827 to 150
Calculation steps:
[( 150 - 827 ) ÷ 827] x 100 = -81.86%
Formula
Percentage change = [(150 - 827) / 827] x 100
Subtract the new number by the original number
150 - 827 = -677
-677 ÷ 827 = -0.8186215235792019
-0.8186215235792019 x 100 = -81.86%