-90.04% is the change from 231 to 23
Calculation steps:
[( 23 - 231 ) ÷ 231] x 100 = -90.04%
Formula
Percentage change = [(23 - 231) / 231] x 100
Subtract the new number by the original number
23 - 231 = -208
-208 ÷ 231 = -0.9004329004329005
-0.9004329004329005 x 100 = -90.04%