-9.22% is the change from 770 to 699
Calculation steps:
[( 699 - 770 ) ÷ 770] x 100 = -9.22%
Formula
Percentage change = [(699 - 770) / 770] x 100
Subtract the new number by the original number
699 - 770 = -71
-71 ÷ 770 = -0.09220779220779221
-0.09220779220779221 x 100 = -9.22%