77.13% is the change from 328 to 581
Calculation steps:
[( 581 - 328 ) ÷ 328] x 100 = 77.13%
Formula
Percentage change = [(581 - 328) / 328] x 100
Subtract the new number by the original number
581 - 328 = 253
253 ÷ 328 = 0.7713414634146342
0.7713414634146342 x 100 = 77.13%