121.81% is the change from 298 to 661
Calculation steps:
[( 661 - 298 ) ÷ 298] x 100 = 121.81%
Formula
Percentage change = [(661 - 298) / 298] x 100
Subtract the new number by the original number
661 - 298 = 363
363 ÷ 298 = 1.2181208053691275
1.2181208053691275 x 100 = 121.81%