299.25% is the change from 133 to 531
Calculation steps:
[( 531 - 133 ) ÷ 133] x 100 = 299.25%
Formula
Percentage change = [(531 - 133) / 133] x 100
Subtract the new number by the original number
531 - 133 = 398
398 ÷ 133 = 2.992481203007519
2.992481203007519 x 100 = 299.25%