-49.87% is the change from 387 to 194
Calculation steps:
[( 194 - 387 ) ÷ 387] x 100 = -49.87%
Formula
Percentage change = [(194 - 387) / 387] x 100
Subtract the new number by the original number
194 - 387 = -193
-193 ÷ 387 = -0.49870801033591733
-0.49870801033591733 x 100 = -49.87%