-48.59% is the change from 601 to 309
Calculation steps:
[( 309 - 601 ) ÷ 601] x 100 = -48.59%
Formula
Percentage change = [(309 - 601) / 601] x 100
Subtract the new number by the original number
309 - 601 = -292
-292 ÷ 601 = -0.4858569051580699
-0.4858569051580699 x 100 = -48.59%