-69.21% is the change from 812 to 250
Calculation steps:
[( 250 - 812 ) ÷ 812] x 100 = -69.21%
Formula
Percentage change = [(250 - 812) / 812] x 100
Subtract the new number by the original number
250 - 812 = -562
-562 ÷ 812 = -0.6921182266009852
-0.6921182266009852 x 100 = -69.21%