-12.53% is the change from 934 to 817
Calculation steps:
[( 817 - 934 ) ÷ 934] x 100 = -12.53%
Formula
Percentage change = [(817 - 934) / 934] x 100
Subtract the new number by the original number
817 - 934 = -117
-117 ÷ 934 = -0.1252676659528908
-0.1252676659528908 x 100 = -12.53%