1660.87% is the change from 23 to 405
Calculation steps:
[( 405 - 23 ) ÷ 23] x 100 = 1660.87%
Formula
Percentage change = [(405 - 23) / 23] x 100
Subtract the new number by the original number
405 - 23 = 382
382 ÷ 23 = 16.608695652173914
16.608695652173914 x 100 = 1660.87%