1295.65% is the change from 23 to 321
Calculation steps:
[( 321 - 23 ) ÷ 23] x 100 = 1295.65%
Formula
Percentage change = [(321 - 23) / 23] x 100
Subtract the new number by the original number
321 - 23 = 298
298 ÷ 23 = 12.956521739130435
12.956521739130435 x 100 = 1295.65%