Answer:
55.6%
Step-by-step explanation:
1. The difference between 45 and 70 is 70-45=25 (If it is postive is an increase, if negative a decrease)
2.The base of comparison is the original number: 45
3. With both, you divide the difference with the base:
25/45 and you multiply it by 100 to get a %
4. Equation: ((70-45)/45)*100 = 55,55555555555
5. Rounded to the nearest above: 55,6%
