-82.02% is the change from 317 to 57
Calculation steps:
[( 57 - 317 ) ÷ 317] x 100 = -82.02%
Formula
Percentage change = [(57 - 317) / 317] x 100
Subtract the new number by the original number
57 - 317 = -260
-260 ÷ 317 = -0.8201892744479495
-0.8201892744479495 x 100 = -82.02%