91.55% is the change from 343 to 657
Calculation steps:
[( 657 - 343 ) ÷ 343] x 100 = 91.55%
Formula
Percentage change = [(657 - 343) / 343] x 100
Subtract the new number by the original number
657 - 343 = 314
314 ÷ 343 = 0.9154518950437318
0.9154518950437318 x 100 = 91.55%