-82.61% is the change from 23 to 4
Calculation steps:
[( 4 - 23 ) ÷ 23] x 100 = -82.61%
Formula
Percentage change = [(4 - 23) / 23] x 100
Subtract the new number by the original number
4 - 23 = -19
-19 ÷ 23 = -0.8260869565217391
-0.8260869565217391 x 100 = -82.61%