146.41% is the change from 334 to 823
Calculation steps:
[( 823 - 334 ) ÷ 334] x 100 = 146.41%
Formula
Percentage change = [(823 - 334) / 334] x 100
Subtract the new number by the original number
823 - 334 = 489
489 ÷ 334 = 1.464071856287425
1.464071856287425 x 100 = 146.41%