-91.62% is the change from 680 to 57
Calculation steps:
[( 57 - 680 ) ÷ 680] x 100 = -91.62%
Formula
Percentage change = [(57 - 680) / 680] x 100
Subtract the new number by the original number
57 - 680 = -623
-623 ÷ 680 = -0.9161764705882353
-0.9161764705882353 x 100 = -91.62%