83.62% is the change from 409 to 751
Calculation steps:
[( 751 - 409 ) ÷ 409] x 100 = 83.62%
Formula
Percentage change = [(751 - 409) / 409] x 100
Subtract the new number by the original number
751 - 409 = 342
342 ÷ 409 = 0.8361858190709046
0.8361858190709046 x 100 = 83.62%