295.56% is the change from 90 to 356
Calculation steps:
[( 356 - 90 ) ÷ 90] x 100 = 295.56%
Formula
Percentage change = [(356 - 90) / 90] x 100
Subtract the new number by the original number
356 - 90 = 266
266 ÷ 90 = 2.9555555555555557
2.9555555555555557 x 100 = 295.56%