121.9% is the change from 274 to 608
Calculation steps:
[( 608 - 274 ) ÷ 274] x 100 = 121.9%
Formula
Percentage change = [(608 - 274) / 274] x 100
Subtract the new number by the original number
608 - 274 = 334
334 ÷ 274 = 1.218978102189781
1.218978102189781 x 100 = 121.9%