-81.48% is the change from 826 to 153
Calculation steps:
[( 153 - 826 ) ÷ 826] x 100 = -81.48%
Formula
Percentage change = [(153 - 826) / 826] x 100
Subtract the new number by the original number
153 - 826 = -673
-673 ÷ 826 = -0.8147699757869249
-0.8147699757869249 x 100 = -81.48%