160.24% is the change from 254 to 661
Calculation steps:
[( 661 - 254 ) ÷ 254] x 100 = 160.24%
Formula
Percentage change = [(661 - 254) / 254] x 100
Subtract the new number by the original number
661 - 254 = 407
407 ÷ 254 = 1.6023622047244095
1.6023622047244095 x 100 = 160.24%