93.02% is the change from 344 to 664
Calculation steps:
[( 664 - 344 ) ÷ 344] x 100 = 93.02%
Formula
Percentage change = [(664 - 344) / 344] x 100
Subtract the new number by the original number
664 - 344 = 320
320 ÷ 344 = 0.9302325581395349
0.9302325581395349 x 100 = 93.02%