-70.28% is the change from 387 to 115
Calculation steps:
[( 115 - 387 ) ÷ 387] x 100 = -70.28%
Formula
Percentage change = [(115 - 387) / 387] x 100
Subtract the new number by the original number
115 - 387 = -272
-272 ÷ 387 = -0.7028423772609819
-0.7028423772609819 x 100 = -70.28%