5/8 to presantage
5/8 = [ x/100] cross-multiply
500 = [ 8x ] divide through by 8
62.5 = x ..... and 62.5 / 100 = 62.5%
100/8=12.5 (per cent is parts per hundred
5 X 12.5=62.5
so, 5/8 is 62.5%