8.42% is the change from 606 to 657
Calculation steps:
[( 657 - 606 ) ÷ 606] x 100 = 8.42%
Formula
Percentage change = [(657 - 606) / 606] x 100
Subtract the new number by the original number
657 - 606 = 51
51 ÷ 606 = 0.08415841584158416
0.08415841584158416 x 100 = 8.42%