58.96% is the change from 346 to 550
Calculation steps:
[( 550 - 346 ) ÷ 346] x 100 = 58.96%
Formula
Percentage change = [(550 - 346) / 346] x 100
Subtract the new number by the original number
550 - 346 = 204
204 ÷ 346 = 0.5895953757225434
0.5895953757225434 x 100 = 58.96%