57.8% is the change from 609 to 961
Calculation steps:
[( 961 - 609 ) ÷ 609] x 100 = 57.8%
Formula
Percentage change = [(961 - 609) / 609] x 100
Subtract the new number by the original number
961 - 609 = 352
352 ÷ 609 = 0.5779967159277504
0.5779967159277504 x 100 = 57.8%