-78.1% is the change from 379 to 83
Calculation steps:
[( 83 - 379 ) ÷ 379] x 100 = -78.1%
Formula
Percentage change = [(83 - 379) / 379] x 100
Subtract the new number by the original number
83 - 379 = -296
-296 ÷ 379 = -0.7810026385224275
-0.7810026385224275 x 100 = -78.1%