83.5% is the change from 406 to 745
Calculation steps:
[( 745 - 406 ) ÷ 406] x 100 = 83.5%
Formula
Percentage change = [(745 - 406) / 406] x 100
Subtract the new number by the original number
745 - 406 = 339
339 ÷ 406 = 0.8349753694581281
0.8349753694581281 x 100 = 83.5%