-16.7% is the change from 934 to 778
Calculation steps:
[( 778 - 934 ) ÷ 934] x 100 = -16.7%
Formula
Percentage change = [(778 - 934) / 934] x 100
Subtract the new number by the original number
778 - 934 = -156
-156 ÷ 934 = -0.1670235546038544
-0.1670235546038544 x 100 = -16.7%