248.91% is the change from 92 to 321
Calculation steps:
[( 321 - 92 ) ÷ 92] x 100 = 248.91%
Formula
Percentage change = [(321 - 92) / 92] x 100
Subtract the new number by the original number
321 - 92 = 229
229 ÷ 92 = 2.489130434782609
2.489130434782609 x 100 = 248.91%