-70.34% is the change from 971 to 288
Calculation steps:
[( 288 - 971 ) ÷ 971] x 100 = -70.34%
Formula
Percentage change = [(288 - 971) / 971] x 100
Subtract the new number by the original number
288 - 971 = -683
-683 ÷ 971 = -0.7033985581874357
-0.7033985581874357 x 100 = -70.34%