21.59% is the change from 704 to 856
Calculation steps:
[( 856 - 704 ) ÷ 704] x 100 = 21.59%
Formula
Percentage change = [(856 - 704) / 704] x 100
Subtract the new number by the original number
856 - 704 = 152
152 ÷ 704 = 0.2159090909090909
0.2159090909090909 x 100 = 21.59%