342.98% is the change from 121 to 536
Calculation steps:
[( 536 - 121 ) ÷ 121] x 100 = 342.98%
Formula
Percentage change = [(536 - 121) / 121] x 100
Subtract the new number by the original number
536 - 121 = 415
415 ÷ 121 = 3.4297520661157024
3.4297520661157024 x 100 = 342.98%