-94.92% is the change from 295 to 15
Calculation steps:
[( 15 - 295 ) ÷ 295] x 100 = -94.92%
Formula
Percentage change = [(15 - 295) / 295] x 100
Subtract the new number by the original number
15 - 295 = -280
-280 ÷ 295 = -0.9491525423728814
-0.9491525423728814 x 100 = -94.92%