-95.03% is the change from 302 to 15
Calculation steps:
[( 15 - 302 ) ÷ 302] x 100 = -95.03%
Formula
Percentage change = [(15 - 302) / 302] x 100
Subtract the new number by the original number
15 - 302 = -287
-287 ÷ 302 = -0.9503311258278145
-0.9503311258278145 x 100 = -95.03%