91.39% is the change from 488 to 934
Calculation steps:
[( 934 - 488 ) ÷ 488] x 100 = 91.39%
Formula
Percentage change = [(934 - 488) / 488] x 100
Subtract the new number by the original number
934 - 488 = 446
446 ÷ 488 = 0.9139344262295082
0.9139344262295082 x 100 = 91.39%