387% is the change from 100 to 487
Calculation steps:
[( 487 - 100 ) ÷ 100] x 100 = 387%
Formula
Percentage change = [(487 - 100) / 100] x 100
Subtract the new number by the original number
487 - 100 = 387
387 ÷ 100 = 3.87
3.87 x 100 = 387%
Example