-80.76% is the change from 317 to 61
Calculation steps:
[( 61 - 317 ) ÷ 317] x 100 = -80.76%
Formula
Percentage change = [(61 - 317) / 317] x 100
Subtract the new number by the original number
61 - 317 = -256
-256 ÷ 317 = -0.807570977917981
-0.807570977917981 x 100 = -80.76%