29.31% is the change from 662 to 856
Calculation steps:
[( 856 - 662 ) ÷ 662] x 100 = 29.31%
Formula
Percentage change = [(856 - 662) / 662] x 100
Subtract the new number by the original number
856 - 662 = 194
194 ÷ 662 = 0.2930513595166163
0.2930513595166163 x 100 = 29.31%