-93.08% is the change from 824 to 57
Calculation steps:
[( 57 - 824 ) ÷ 824] x 100 = -93.08%
Formula
Percentage change = [(57 - 824) / 824] x 100
Subtract the new number by the original number
57 - 824 = -767
-767 ÷ 824 = -0.9308252427184466
-0.9308252427184466 x 100 = -93.08%