92.71% is the change from 343 to 661
Calculation steps:
[( 661 - 343 ) ÷ 343] x 100 = 92.71%
Formula
Percentage change = [(661 - 343) / 343] x 100
Subtract the new number by the original number
661 - 343 = 318
318 ÷ 343 = 0.9271137026239067
0.9271137026239067 x 100 = 92.71%