29.57% is the change from 656 to 850
Calculation steps:
[( 850 - 656 ) ÷ 656] x 100 = 29.57%
Formula
Percentage change = [(850 - 656) / 656] x 100
Subtract the new number by the original number
850 - 656 = 194
194 ÷ 656 = 0.29573170731707316
0.29573170731707316 x 100 = 29.57%