-82.33% is the change from 317 to 56
Calculation steps:
[( 56 - 317 ) ÷ 317] x 100 = -82.33%
Formula
Percentage change = [(56 - 317) / 317] x 100
Subtract the new number by the original number
56 - 317 = -261
-261 ÷ 317 = -0.8233438485804416
-0.8233438485804416 x 100 = -82.33%