49.2% is the change from 561 to 837
Calculation steps:
[( 837 - 561 ) ÷ 561] x 100 = 49.2%
Formula
Percentage change = [(837 - 561) / 561] x 100
Subtract the new number by the original number
837 - 561 = 276
276 ÷ 561 = 0.4919786096256685
0.4919786096256685 x 100 = 49.2%