-18.1% is the change from 768 to 629
Calculation steps:
[( 629 - 768 ) ÷ 768] x 100 = -18.1%
Formula
Percentage change = [(629 - 768) / 768] x 100
Subtract the new number by the original number
629 - 768 = -139
-139 ÷ 768 = -0.18098958333333334
-0.18098958333333334 x 100 = -18.1%