284.13% is the change from 126 to 484
Calculation steps:
[( 484 - 126 ) ÷ 126] x 100 = 284.13%
Formula
Percentage change = [(484 - 126) / 126] x 100
Subtract the new number by the original number
484 - 126 = 358
358 ÷ 126 = 2.8412698412698414
2.8412698412698414 x 100 = 284.13%