-51.16% is the change from 387 to 189
Calculation steps:
[( 189 - 387 ) ÷ 387] x 100 = -51.16%
Formula
Percentage change = [(189 - 387) / 387] x 100
Subtract the new number by the original number
189 - 387 = -198
-198 ÷ 387 = -0.5116279069767442
-0.5116279069767442 x 100 = -51.16%