-49.61% is the change from 387 to 195
Calculation steps:
[( 195 - 387 ) ÷ 387] x 100 = -49.61%
Formula
Percentage change = [(195 - 387) / 387] x 100
Subtract the new number by the original number
195 - 387 = -192
-192 ÷ 387 = -0.49612403100775193
-0.49612403100775193 x 100 = -49.61%