-93.53% is the change from 232 to 15
Calculation steps:
[( 15 - 232 ) ÷ 232] x 100 = -93.53%
Formula
Percentage change = [(15 - 232) / 232] x 100
Subtract the new number by the original number
15 - 232 = -217
-217 ÷ 232 = -0.9353448275862069
-0.9353448275862069 x 100 = -93.53%