278.88% is the change from 161 to 610
Calculation steps:
[( 610 - 161 ) ÷ 161] x 100 = 278.88%
Formula
Percentage change = [(610 - 161) / 161] x 100
Subtract the new number by the original number
610 - 161 = 449
449 ÷ 161 = 2.7888198757763973
2.7888198757763973 x 100 = 278.88%