94.38% is the change from 427 to 830
Calculation steps:
[( 830 - 427 ) ÷ 427] x 100 = 94.38%
Formula
Percentage change = [(830 - 427) / 427] x 100
Subtract the new number by the original number
830 - 427 = 403
403 ÷ 427 = 0.9437939110070258
0.9437939110070258 x 100 = 94.38%