-91.61% is the change from 679 to 57
Calculation steps:
[( 57 - 679 ) ÷ 679] x 100 = -91.61%
Formula
Percentage change = [(57 - 679) / 679] x 100
Subtract the new number by the original number
57 - 679 = -622
-622 ÷ 679 = -0.9160530191458026
-0.9160530191458026 x 100 = -91.61%