-53.49% is the change from 387 to 180
Calculation steps:
[( 180 - 387 ) ÷ 387] x 100 = -53.49%
Formula
Percentage change = [(180 - 387) / 387] x 100
Subtract the new number by the original number
180 - 387 = -207
-207 ÷ 387 = -0.5348837209302325
-0.5348837209302325 x 100 = -53.49%