-87.01% is the change from 177 to 23
Calculation steps:
[( 23 - 177 ) ÷ 177] x 100 = -87.01%
Formula
Percentage change = [(23 - 177) / 177] x 100
Subtract the new number by the original number
23 - 177 = -154
-154 ÷ 177 = -0.8700564971751412
-0.8700564971751412 x 100 = -87.01%