-17.56% is the change from 934 to 770
Calculation steps:
[( 770 - 934 ) ÷ 934] x 100 = -17.56%
Formula
Percentage change = [(770 - 934) / 934] x 100
Subtract the new number by the original number
770 - 934 = -164
-164 ÷ 934 = -0.17558886509635974
-0.17558886509635974 x 100 = -17.56%