85.37% is the change from 328 to 608
Calculation steps:
[( 608 - 328 ) ÷ 328] x 100 = 85.37%
Formula
Percentage change = [(608 - 328) / 328] x 100
Subtract the new number by the original number
608 - 328 = 280
280 ÷ 328 = 0.8536585365853658
0.8536585365853658 x 100 = 85.37%