20.29% is the change from 488 to 587
Calculation steps:
[( 587 - 488 ) ÷ 488] x 100 = 20.29%
Formula
Percentage change = [(587 - 488) / 488] x 100
Subtract the new number by the original number
587 - 488 = 99
99 ÷ 488 = 0.2028688524590164
0.2028688524590164 x 100 = 20.29%