166.18% is the change from 346 to 921
Calculation steps:
[( 921 - 346 ) ÷ 346] x 100 = 166.18%
Formula
Percentage change = [(921 - 346) / 346] x 100
Subtract the new number by the original number
921 - 346 = 575
575 ÷ 346 = 1.6618497109826589
1.6618497109826589 x 100 = 166.18%