388.43% is the change from 121 to 591
Calculation steps:
[( 591 - 121 ) ÷ 121] x 100 = 388.43%
Formula
Percentage change = [(591 - 121) / 121] x 100
Subtract the new number by the original number
591 - 121 = 470
470 ÷ 121 = 3.884297520661157
3.884297520661157 x 100 = 388.43%