281.2% is the change from 133 to 507
Calculation steps:
[( 507 - 133 ) ÷ 133] x 100 = 281.2%
Formula
Percentage change = [(507 - 133) / 133] x 100
Subtract the new number by the original number
507 - 133 = 374
374 ÷ 133 = 2.81203007518797
2.81203007518797 x 100 = 281.2%