Write the two names on paper
Assign each letter a number using A=1, B=2, C=3, and so on
Add the numbers for each name separately
Reduce each total to a single digit by adding its digits together
Add the two single digits together
Reduce the result to a single digit if needed
Multiply the final digit by 11
If the result is over 100, subtract 100
The final number is the love percentage
