29.11% is the change from 663 to 856
Calculation steps:
[( 856 - 663 ) ÷ 663] x 100 = 29.11%
Formula
Percentage change = [(856 - 663) / 663] x 100
Subtract the new number by the original number
856 - 663 = 193
193 ÷ 663 = 0.2911010558069382
0.2911010558069382 x 100 = 29.11%