-73.47% is the change from 294 to 78
Calculation steps:
[( 78 - 294 ) ÷ 294] x 100 = -73.47%
Formula
Percentage change = [(78 - 294) / 294] x 100
Subtract the new number by the original number
78 - 294 = -216
-216 ÷ 294 = -0.7346938775510204
-0.7346938775510204 x 100 = -73.47%