64.64% is the change from 345 to 568
Calculation steps:
[( 568 - 345 ) ÷ 345] x 100 = 64.64%
Formula
Percentage change = [(568 - 345) / 345] x 100
Subtract the new number by the original number
568 - 345 = 223
223 ÷ 345 = 0.6463768115942029
0.6463768115942029 x 100 = 64.64%