298.35% is the change from 121 to 482
Calculation steps:
[( 482 - 121 ) ÷ 121] x 100 = 298.35%
Formula
Percentage change = [(482 - 121) / 121] x 100
Subtract the new number by the original number
482 - 121 = 361
361 ÷ 121 = 2.9834710743801653
2.9834710743801653 x 100 = 298.35%