-75.32% is the change from 316 to 78
Calculation steps:
[( 78 - 316 ) ÷ 316] x 100 = -75.32%
Formula
Percentage change = [(78 - 316) / 316] x 100
Subtract the new number by the original number
78 - 316 = -238
-238 ÷ 316 = -0.7531645569620253
-0.7531645569620253 x 100 = -75.32%