80.54% is the change from 334 to 603
Calculation steps:
[( 603 - 334 ) ÷ 334] x 100 = 80.54%
Formula
Percentage change = [(603 - 334) / 334] x 100
Subtract the new number by the original number
603 - 334 = 269
269 ÷ 334 = 0.8053892215568862
0.8053892215568862 x 100 = 80.54%