-94.32% is the change from 405 to 23
Calculation steps:
[( 23 - 405 ) ÷ 405] x 100 = -94.32%
Formula
Percentage change = [(23 - 405) / 405] x 100
Subtract the new number by the original number
23 - 405 = -382
-382 ÷ 405 = -0.9432098765432099
-0.9432098765432099 x 100 = -94.32%