-78.63% is the change from 379 to 81
Calculation steps:
[( 81 - 379 ) ÷ 379] x 100 = -78.63%
Formula
Percentage change = [(81 - 379) / 379] x 100
Subtract the new number by the original number
81 - 379 = -298
-298 ÷ 379 = -0.7862796833773087
-0.7862796833773087 x 100 = -78.63%