-95.8% is the change from 357 to 15
Calculation steps:
[( 15 - 357 ) ÷ 357] x 100 = -95.8%
Formula
Percentage change = [(15 - 357) / 357] x 100
Subtract the new number by the original number
15 - 357 = -342
-342 ÷ 357 = -0.957983193277311
-0.957983193277311 x 100 = -95.8%