177% is the change from 300 to 831
Calculation steps:
[( 831 - 300 ) ÷ 300] x 100 = 177%
Formula
Percentage change = [(831 - 300) / 300] x 100
Subtract the new number by the original number
831 - 300 = 531
531 ÷ 300 = 1.77
1.77 x 100 = 177%
Example