-87.83% is the change from 189 to 23
Calculation steps:
[( 23 - 189 ) ÷ 189] x 100 = -87.83%
Formula
Percentage change = [(23 - 189) / 189] x 100
Subtract the new number by the original number
23 - 189 = -166
-166 ÷ 189 = -0.8783068783068783
-0.8783068783068783 x 100 = -87.83%