Answer:
145%
Step-by-step explanation:
to find percentage change,you do original amount-new amount/original amount x 100 (if you're original amount is bigger then it can also be new amount-original amount/original amount x 100)
So we should do...
1. 98-40=58
2. 58/40=1.45
3.1.45x100=145%
So 145% is your answer, you're welcome.