64.68% is the change from 402 to 662
Calculation steps:
[( 662 - 402 ) ÷ 402] x 100 = 64.68%
Formula
Percentage change = [(662 - 402) / 402] x 100
Subtract the new number by the original number
662 - 402 = 260
260 ÷ 402 = 0.6467661691542289
0.6467661691542289 x 100 = 64.68%