81.92% is the change from 426 to 775
Calculation steps:
[( 775 - 426 ) ÷ 426] x 100 = 81.92%
Formula
Percentage change = [(775 - 426) / 426] x 100
Subtract the new number by the original number
775 - 426 = 349
349 ÷ 426 = 0.8192488262910798
0.8192488262910798 x 100 = 81.92%