305.83% is the change from 120 to 487
Calculation steps:
[( 487 - 120 ) ÷ 120] x 100 = 305.83%
Formula
Percentage change = [(487 - 120) / 120] x 100
Subtract the new number by the original number
487 - 120 = 367
367 ÷ 120 = 3.058333333333333
3.058333333333333 x 100 = 305.83%