Don’t go to that link it’s wrong don’t go on there
<h3>Ans : 12.5%</h3>
#You times it with ×100 to get the percentage
#Part of the number/total number
2400 - 2100 = 300
300/2400 × 100 = 12.5%
So the percentage decreased is 12.5%
There are two so I'll give you the answer to both! 4,000 and 400