Male:;

Y:= minutes = 0;

A:=REF(C，Y)；

A 1:=((A-REF(A， 1))/REF(A， 1))* 100；

XG:RANGE(A 1，N，M)；

I'm glad to answer your question. I hope I can help you. In the formula, n stands for large value and m stands for small value. Just change the number yourself.