-93% is the change from 814 to 57
Calculation steps:
[( 57 - 814 ) ÷ 814] x 100 = -93%
Formula
Percentage change = [(57 - 814) / 814] x 100
Subtract the new number by the original number
57 - 814 = -757
-757 ÷ 814 = -0.9299754299754299
-0.9299754299754299 x 100 = -93%