-88.35% is the change from 103 to 12
Calculation steps:
[( 12 - 103 ) ÷ 103] x 100 = -88.35%
Formula
Percentage change = [(12 - 103) / 103] x 100
Subtract the new number by the original number
12 - 103 = -91
-91 ÷ 103 = -0.883495145631068
-0.883495145631068 x 100 = -88.35%