-90.21% is the change from 235 to 23
Calculation steps:
[( 23 - 235 ) ÷ 235] x 100 = -90.21%
Formula
Percentage change = [(23 - 235) / 235] x 100
Subtract the new number by the original number
23 - 235 = -212
-212 ÷ 235 = -0.902127659574468
-0.902127659574468 x 100 = -90.21%