295.87% is the change from 121 to 479
Calculation steps:
[( 479 - 121 ) ÷ 121] x 100 = 295.87%
Formula
Percentage change = [(479 - 121) / 121] x 100
Subtract the new number by the original number
479 - 121 = 358
358 ÷ 121 = 2.958677685950413
2.958677685950413 x 100 = 295.87%