297.78% is the change from 90 to 358
Calculation steps:
[( 358 - 90 ) ÷ 90] x 100 = 297.78%
Formula
Percentage change = [(358 - 90) / 90] x 100
Subtract the new number by the original number
358 - 90 = 268
268 ÷ 90 = 2.977777777777778
2.977777777777778 x 100 = 297.78%