36.9% is the change from 607 to 831
Calculation steps:
[( 831 - 607 ) ÷ 607] x 100 = 36.9%
Formula
Percentage change = [(831 - 607) / 607] x 100
Subtract the new number by the original number
831 - 607 = 224
224 ÷ 607 = 0.36902800658978585
0.36902800658978585 x 100 = 36.9%