176.07% is the change from 234 to 646
Calculation steps:
[( 646 - 234 ) ÷ 234] x 100 = 176.07%
Formula
Percentage change = [(646 - 234) / 234] x 100
Subtract the new number by the original number
646 - 234 = 412
412 ÷ 234 = 1.7606837606837606
1.7606837606837606 x 100 = 176.07%