-95.49% is the change from 288 to 13
Calculation steps:
[( 13 - 288 ) ÷ 288] x 100 = -95.49%
Formula
Percentage change = [(13 - 288) / 288] x 100
Subtract the new number by the original number
13 - 288 = -275
-275 ÷ 288 = -0.9548611111111112
-0.9548611111111112 x 100 = -95.49%