423% is the change from 100 to 523
Calculation steps:
[( 523 - 100 ) ÷ 100] x 100 = 423%
Formula
Percentage change = [(523 - 100) / 100] x 100
Subtract the new number by the original number
523 - 100 = 423
423 ÷ 100 = 4.23
4.23 x 100 = 423%
Example