-92.98% is the change from 812 to 57
Calculation steps:
[( 57 - 812 ) ÷ 812] x 100 = -92.98%
Formula
Percentage change = [(57 - 812) / 812] x 100
Subtract the new number by the original number
57 - 812 = -755
-755 ÷ 812 = -0.9298029556650246
-0.9298029556650246 x 100 = -92.98%