64.67% is the change from 334 to 550
Calculation steps:
[( 550 - 334 ) ÷ 334] x 100 = 64.67%
Formula
Percentage change = [(550 - 334) / 334] x 100
Subtract the new number by the original number
550 - 334 = 216
216 ÷ 334 = 0.6467065868263473
0.6467065868263473 x 100 = 64.67%