102.89% is the change from 242 to 491
Calculation steps:
[( 491 - 242 ) ÷ 242] x 100 = 102.89%
Formula
Percentage change = [(491 - 242) / 242] x 100
Subtract the new number by the original number
491 - 242 = 249
249 ÷ 242 = 1.0289256198347108
1.0289256198347108 x 100 = 102.89%