-94.34% is the change from 265 to 15
Calculation steps:
[( 15 - 265 ) ÷ 265] x 100 = -94.34%
Formula
Percentage change = [(15 - 265) / 265] x 100
Subtract the new number by the original number
15 - 265 = -250
-250 ÷ 265 = -0.9433962264150944
-0.9433962264150944 x 100 = -94.34%