57.8% is the change from 346 to 546
Calculation steps:
[( 546 - 346 ) ÷ 346] x 100 = 57.8%
Formula
Percentage change = [(546 - 346) / 346] x 100
Subtract the new number by the original number
546 - 346 = 200
200 ÷ 346 = 0.5780346820809249
0.5780346820809249 x 100 = 57.8%