21.09% is the change from 403 to 488
Calculation steps:
[( 488 - 403 ) ÷ 403] x 100 = 21.09%
Formula
Percentage change = [(488 - 403) / 403] x 100
Subtract the new number by the original number
488 - 403 = 85
85 ÷ 403 = 0.2109181141439206
0.2109181141439206 x 100 = 21.09%