-96% is the change from 375 to 15
Calculation steps:
[( 15 - 375 ) ÷ 375] x 100 = -96%
Formula
Percentage change = [(15 - 375) / 375] x 100
Subtract the new number by the original number
15 - 375 = -360
-360 ÷ 375 = -0.96
-0.96 x 100 = -96%
Example