-95.11% is the change from 470 to 23
Calculation steps:
[( 23 - 470 ) ÷ 470] x 100 = -95.11%
Formula
Percentage change = [(23 - 470) / 470] x 100
Subtract the new number by the original number
23 - 470 = -447
-447 ÷ 470 = -0.951063829787234
-0.951063829787234 x 100 = -95.11%