1978.26% is the change from 23 to 478
Calculation steps:
[( 478 - 23 ) ÷ 23] x 100 = 1978.26%
Formula
Percentage change = [(478 - 23) / 23] x 100
Subtract the new number by the original number
478 - 23 = 455
455 ÷ 23 = 19.782608695652176
19.782608695652176 x 100 = 1978.26%