70.4% is the change from 402 to 685
Calculation steps:
[( 685 - 402 ) ÷ 402] x 100 = 70.4%
Formula
Percentage change = [(685 - 402) / 402] x 100
Subtract the new number by the original number
685 - 402 = 283
283 ÷ 402 = 0.7039800995024875
0.7039800995024875 x 100 = 70.4%