65.77% is the change from 336 to 557
Calculation steps:
[( 557 - 336 ) ÷ 336] x 100 = 65.77%
Formula
Percentage change = [(557 - 336) / 336] x 100
Subtract the new number by the original number
557 - 336 = 221
221 ÷ 336 = 0.6577380952380952
0.6577380952380952 x 100 = 65.77%