-45.48% is the change from 387 to 211
Calculation steps:
[( 211 - 387 ) ÷ 387] x 100 = -45.48%
Formula
Percentage change = [(211 - 387) / 387] x 100
Subtract the new number by the original number
211 - 387 = -176
-176 ÷ 387 = -0.45478036175710596
-0.45478036175710596 x 100 = -45.48%