74.77% is the change from 321 to 561
Calculation steps:
[( 561 - 321 ) ÷ 321] x 100 = 74.77%
Formula
Percentage change = [(561 - 321) / 321] x 100
Subtract the new number by the original number
561 - 321 = 240
240 ÷ 321 = 0.7476635514018691
0.7476635514018691 x 100 = 74.77%