100% is the change from 488 to 976
Calculation steps:
[( 976 - 488 ) ÷ 488] x 100 = 100%
Formula
Percentage change = [(976 - 488) / 488] x 100
Subtract the new number by the original number
976 - 488 = 488
488 ÷ 488 = 1
1 x 100 = 100%
Example