-81.2% is the change from 814 to 153
Calculation steps:
[( 153 - 814 ) ÷ 814] x 100 = -81.2%
Formula
Percentage change = [(153 - 814) / 814] x 100
Subtract the new number by the original number
153 - 814 = -661
-661 ÷ 814 = -0.812039312039312
-0.812039312039312 x 100 = -81.2%