90.78% is the change from 488 to 931
Calculation steps:
[( 931 - 488 ) ÷ 488] x 100 = 90.78%
Formula
Percentage change = [(931 - 488) / 488] x 100
Subtract the new number by the original number
931 - 488 = 443
443 ÷ 488 = 0.9077868852459017
0.9077868852459017 x 100 = 90.78%