-86.84% is the change from 114 to 15
Calculation steps:
[( 15 - 114 ) ÷ 114] x 100 = -86.84%
Formula
Percentage change = [(15 - 114) / 114] x 100
Subtract the new number by the original number
15 - 114 = -99
-99 ÷ 114 = -0.868421052631579
-0.868421052631579 x 100 = -86.84%