91.28% is the change from 344 to 658
Calculation steps:
[( 658 - 344 ) ÷ 344] x 100 = 91.28%
Formula
Percentage change = [(658 - 344) / 344] x 100
Subtract the new number by the original number
658 - 344 = 314
314 ÷ 344 = 0.9127906976744186
0.9127906976744186 x 100 = 91.28%