-91.6% is the change from 929 to 78
Calculation steps:
[( 78 - 929 ) ÷ 929] x 100 = -91.6%
Formula
Percentage change = [(78 - 929) / 929] x 100
Subtract the new number by the original number
78 - 929 = -851
-851 ÷ 929 = -0.9160387513455328
-0.9160387513455328 x 100 = -91.6%