90.12% is the change from 344 to 654
Calculation steps:
[( 654 - 344 ) ÷ 344] x 100 = 90.12%
Formula
Percentage change = [(654 - 344) / 344] x 100
Subtract the new number by the original number
654 - 344 = 310
310 ÷ 344 = 0.9011627906976745
0.9011627906976745 x 100 = 90.12%