78.09% is the change from 324 to 577
Calculation steps:
[( 577 - 324 ) ÷ 324] x 100 = 78.09%
Formula
Percentage change = [(577 - 324) / 324] x 100
Subtract the new number by the original number
577 - 324 = 253
253 ÷ 324 = 0.7808641975308642
0.7808641975308642 x 100 = 78.09%