26 to 5 is a 80.7692% decrease.
26 increased by 5 percent = 27.3
5/26
62.5 percent is .625 which is 625/1000 which can be reduced of course.So it is 5/8 as a reduced fraction.
125% as a reduced fraction is 5/4
136% as a reduced fraction is 68/5
20% = 20/100 which can be reduced to 1/5.
26
80% = 80/100 which can be reduced to 4/5.
4/5
2.25/5
19/5
20% = 1/5