31% is the change from 600 to 786
Calculation steps:
[( 786 - 600 ) ÷ 600] x 100 = 31%
Formula
Percentage change = [(786 - 600) / 600] x 100
Subtract the new number by the original number
786 - 600 = 186
186 ÷ 600 = 0.31
0.31 x 100 = 31%
Example