248.45% is the change from 161 to 561
Calculation steps:
[( 561 - 161 ) ÷ 161] x 100 = 248.45%
Formula
Percentage change = [(561 - 161) / 161] x 100
Subtract the new number by the original number
561 - 161 = 400
400 ÷ 161 = 2.484472049689441
2.484472049689441 x 100 = 248.45%