-72.24% is the change from 317 to 88
Calculation steps:
[( 88 - 317 ) ÷ 317] x 100 = -72.24%
Formula
Percentage change = [(88 - 317) / 317] x 100
Subtract the new number by the original number
88 - 317 = -229
-229 ÷ 317 = -0.722397476340694
-0.722397476340694 x 100 = -72.24%