175.21% is the change from 242 to 666
Calculation steps:
[( 666 - 242 ) ÷ 242] x 100 = 175.21%
Formula
Percentage change = [(666 - 242) / 242] x 100
Subtract the new number by the original number
666 - 242 = 424
424 ÷ 242 = 1.7520661157024793
1.7520661157024793 x 100 = 175.21%