-94.7% is the change from 434 to 23
Calculation steps:
[( 23 - 434 ) ÷ 434] x 100 = -94.7%
Formula
Percentage change = [(23 - 434) / 434] x 100
Subtract the new number by the original number
23 - 434 = -411
-411 ÷ 434 = -0.9470046082949308
-0.9470046082949308 x 100 = -94.7%