-75.38% is the change from 390 to 96
Calculation steps:
[( 96 - 390 ) ÷ 390] x 100 = -75.38%
Formula
Percentage change = [(96 - 390) / 390] x 100
Subtract the new number by the original number
96 - 390 = -294
-294 ÷ 390 = -0.7538461538461538
-0.7538461538461538 x 100 = -75.38%