154.49% is the change from 334 to 850
Calculation steps:
[( 850 - 334 ) ÷ 334] x 100 = 154.49%
Formula
Percentage change = [(850 - 334) / 334] x 100
Subtract the new number by the original number
850 - 334 = 516
516 ÷ 334 = 1.5449101796407185
1.5449101796407185 x 100 = 154.49%