121.08% is the change from 351 to 776
Calculation steps:
[( 776 - 351 ) ÷ 351] x 100 = 121.08%
Formula
Percentage change = [(776 - 351) / 351] x 100
Subtract the new number by the original number
776 - 351 = 425
425 ÷ 351 = 1.210826210826211
1.210826210826211 x 100 = 121.08%