281.95% is the change from 133 to 508
Calculation steps:
[( 508 - 133 ) ÷ 133] x 100 = 281.95%
Formula
Percentage change = [(508 - 133) / 133] x 100
Subtract the new number by the original number
508 - 133 = 375
375 ÷ 133 = 2.819548872180451
2.819548872180451 x 100 = 281.95%