81.84% is the change from 402 to 731
Calculation steps:
[( 731 - 402 ) ÷ 402] x 100 = 81.84%
Formula
Percentage change = [(731 - 402) / 402] x 100
Subtract the new number by the original number
731 - 402 = 329
329 ÷ 402 = 0.818407960199005
0.818407960199005 x 100 = 81.84%