252.07% is the change from 121 to 426
Calculation steps:
[( 426 - 121 ) ÷ 121] x 100 = 252.07%
Formula
Percentage change = [(426 - 121) / 121] x 100
Subtract the new number by the original number
426 - 121 = 305
305 ÷ 121 = 2.520661157024793
2.520661157024793 x 100 = 252.07%