219.83% is the change from 121 to 387
Calculation steps:
[( 387 - 121 ) ÷ 121] x 100 = 219.83%
Formula
Percentage change = [(387 - 121) / 121] x 100
Subtract the new number by the original number
387 - 121 = 266
266 ÷ 121 = 2.1983471074380163
2.1983471074380163 x 100 = 219.83%