-94.08% is the change from 287 to 17
Calculation steps:
[( 17 - 287 ) ÷ 287] x 100 = -94.08%
Formula
Percentage change = [(17 - 287) / 287] x 100
Subtract the new number by the original number
17 - 287 = -270
-270 ÷ 287 = -0.9407665505226481
-0.9407665505226481 x 100 = -94.08%