-77.52% is the change from 387 to 87
Calculation steps:
[( 87 - 387 ) ÷ 387] x 100 = -77.52%
Formula
Percentage change = [(87 - 387) / 387] x 100
Subtract the new number by the original number
87 - 387 = -300
-300 ÷ 387 = -0.7751937984496124
-0.7751937984496124 x 100 = -77.52%