79.32% is the change from 324 to 581
Calculation steps:
[( 581 - 324 ) ÷ 324] x 100 = 79.32%
Formula
Percentage change = [(581 - 324) / 324] x 100
Subtract the new number by the original number
581 - 324 = 257
257 ÷ 324 = 0.7932098765432098
0.7932098765432098 x 100 = 79.32%