168.89% is the change from 90 to 242
Calculation steps:
[( 242 - 90 ) ÷ 90] x 100 = 168.89%
Formula
Percentage change = [(242 - 90) / 90] x 100
Subtract the new number by the original number
242 - 90 = 152
152 ÷ 90 = 1.6888888888888889
1.6888888888888889 x 100 = 168.89%