-7.99% is the change from 313 to 288
Calculation steps:
[( 288 - 313 ) ÷ 313] x 100 = -7.99%
Formula
Percentage change = [(288 - 313) / 313] x 100
Subtract the new number by the original number
288 - 313 = -25
-25 ÷ 313 = -0.07987220447284345
-0.07987220447284345 x 100 = -7.99%