99.28% is the change from 417 to 831
Calculation steps:
[( 831 - 417 ) ÷ 417] x 100 = 99.28%
Formula
Percentage change = [(831 - 417) / 417] x 100
Subtract the new number by the original number
831 - 417 = 414
414 ÷ 417 = 0.9928057553956835
0.9928057553956835 x 100 = 99.28%