-92.64% is the change from 231 to 17
Calculation steps:
[( 17 - 231 ) ÷ 231] x 100 = -92.64%
Formula
Percentage change = [(17 - 231) / 231] x 100
Subtract the new number by the original number
17 - 231 = -214
-214 ÷ 231 = -0.9264069264069265
-0.9264069264069265 x 100 = -92.64%