90.99% is the change from 344 to 657
Calculation steps:
[( 657 - 344 ) ÷ 344] x 100 = 90.99%
Formula
Percentage change = [(657 - 344) / 344] x 100
Subtract the new number by the original number
657 - 344 = 313
313 ÷ 344 = 0.9098837209302325
0.9098837209302325 x 100 = 90.99%