-18.31% is the change from 770 to 629
Calculation steps:
[( 629 - 770 ) ÷ 770] x 100 = -18.31%
Formula
Percentage change = [(629 - 770) / 770] x 100
Subtract the new number by the original number
629 - 770 = -141
-141 ÷ 770 = -0.18311688311688312
-0.18311688311688312 x 100 = -18.31%