27.34% is the change from 662 to 843
Calculation steps:
[( 843 - 662 ) ÷ 662] x 100 = 27.34%
Formula
Percentage change = [(843 - 662) / 662] x 100
Subtract the new number by the original number
843 - 662 = 181
181 ÷ 662 = 0.27341389728096677
0.27341389728096677 x 100 = 27.34%