100% is the change from 287 to 574
Calculation steps:
[( 574 - 287 ) ÷ 287] x 100 = 100%
Formula
Percentage change = [(574 - 287) / 287] x 100
Subtract the new number by the original number
574 - 287 = 287
287 ÷ 287 = 1
1 x 100 = 100%
Example