87.65% is the change from 324 to 608
Calculation steps:
[( 608 - 324 ) ÷ 324] x 100 = 87.65%
Formula
Percentage change = [(608 - 324) / 324] x 100
Subtract the new number by the original number
608 - 324 = 284
284 ÷ 324 = 0.8765432098765432
0.8765432098765432 x 100 = 87.65%