-94.96% is the change from 456 to 23
Calculation steps:
[( 23 - 456 ) ÷ 456] x 100 = -94.96%
Formula
Percentage change = [(23 - 456) / 456] x 100
Subtract the new number by the original number
23 - 456 = -433
-433 ÷ 456 = -0.9495614035087719
-0.9495614035087719 x 100 = -94.96%