21.6% is the change from 699 to 850
Calculation steps:
[( 850 - 699 ) ÷ 699] x 100 = 21.6%
Formula
Percentage change = [(850 - 699) / 699] x 100
Subtract the new number by the original number
850 - 699 = 151
151 ÷ 699 = 0.21602288984263232
0.21602288984263232 x 100 = 21.6%