91.95% is the change from 348 to 668
Calculation steps:
[( 668 - 348 ) ÷ 348] x 100 = 91.95%
Formula
Percentage change = [(668 - 348) / 348] x 100
Subtract the new number by the original number
668 - 348 = 320
320 ÷ 348 = 0.9195402298850575
0.9195402298850575 x 100 = 91.95%