335.56% is the change from 90 to 392
Calculation steps:
[( 392 - 90 ) ÷ 90] x 100 = 335.56%
Formula
Percentage change = [(392 - 90) / 90] x 100
Subtract the new number by the original number
392 - 90 = 302
302 ÷ 90 = 3.3555555555555556
3.3555555555555556 x 100 = 335.56%