680.95% is the change from 42 to 328
Calculation steps:
[( 328 - 42 ) ÷ 42] x 100 = 680.95%
Formula
Percentage change = [(328 - 42) / 42] x 100
Subtract the new number by the original number
328 - 42 = 286
286 ÷ 42 = 6.809523809523809
6.809523809523809 x 100 = 680.95%