-73.91% is the change from 299 to 78
Calculation steps:
[( 78 - 299 ) ÷ 299] x 100 = -73.91%
Formula
Percentage change = [(78 - 299) / 299] x 100
Subtract the new number by the original number
78 - 299 = -221
-221 ÷ 299 = -0.7391304347826086
-0.7391304347826086 x 100 = -73.91%