66.47% is the change from 337 to 561
Calculation steps:
[( 561 - 337 ) ÷ 337] x 100 = 66.47%
Formula
Percentage change = [(561 - 337) / 337] x 100
Subtract the new number by the original number
561 - 337 = 224
224 ÷ 337 = 0.6646884272997032
0.6646884272997032 x 100 = 66.47%