-86.54% is the change from 379 to 51
Calculation steps:
[( 51 - 379 ) ÷ 379] x 100 = -86.54%
Formula
Percentage change = [(51 - 379) / 379] x 100
Subtract the new number by the original number
51 - 379 = -328
-328 ÷ 379 = -0.8654353562005277
-0.8654353562005277 x 100 = -86.54%