-68.72% is the change from 812 to 254
Calculation steps:
[( 254 - 812 ) ÷ 812] x 100 = -68.72%
Formula
Percentage change = [(254 - 812) / 812] x 100
Subtract the new number by the original number
254 - 812 = -558
-558 ÷ 812 = -0.687192118226601
-0.687192118226601 x 100 = -68.72%