263.64% is the change from 121 to 440
Calculation steps:
[( 440 - 121 ) ÷ 121] x 100 = 263.64%
Formula
Percentage change = [(440 - 121) / 121] x 100
Subtract the new number by the original number
440 - 121 = 319
319 ÷ 121 = 2.6363636363636362
2.6363636363636362 x 100 = 263.64%