s1 = 72
s2 = 85
r =(((s2-s1)/s1)*100)
print('小明今年的成绩提升了: %f%%'%r)
print(f'小明今年的成绩提升了：{r}%')
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Ashen One
s1 = 72
s2 = 85
r =(((s2-s1)/s1)*100)
print('小明今年的成绩提升了: %f%%'%r)
print(f'小明今年的成绩提升了：{r}%')