-43.13% is the change from 670 to 381
Calculation steps:
[( 381 - 670 ) ÷ 670] x 100 = -43.13%
Formula
Percentage change = [(381 - 670) / 670] x 100
Subtract the new number by the original number
381 - 670 = -289
-289 ÷ 670 = -0.43134328358208956
-0.43134328358208956 x 100 = -43.13%