-69.34% is the change from 287 to 88
Calculation steps:
[( 88 - 287 ) ÷ 287] x 100 = -69.34%
Formula
Percentage change = [(88 - 287) / 287] x 100
Subtract the new number by the original number
88 - 287 = -199
-199 ÷ 287 = -0.6933797909407665
-0.6933797909407665 x 100 = -69.34%