-17.12% is the change from 929 to 770
Calculation steps:
[( 770 - 929 ) ÷ 929] x 100 = -17.12%
Formula
Percentage change = [(770 - 929) / 929] x 100
Subtract the new number by the original number
770 - 929 = -159
-159 ÷ 929 = -0.17115177610333693
-0.17115177610333693 x 100 = -17.12%