-92.48% is the change from 306 to 23
Calculation steps:
[( 23 - 306 ) ÷ 306] x 100 = -92.48%
Formula
Percentage change = [(23 - 306) / 306] x 100
Subtract the new number by the original number
23 - 306 = -283
-283 ÷ 306 = -0.9248366013071896
-0.9248366013071896 x 100 = -92.48%