-95.79% is the change from 356 to 15
Calculation steps:
[( 15 - 356 ) ÷ 356] x 100 = -95.79%
Formula
Percentage change = [(15 - 356) / 356] x 100
Subtract the new number by the original number
15 - 356 = -341
-341 ÷ 356 = -0.9578651685393258
-0.9578651685393258 x 100 = -95.79%