-78.42% is the change from 380 to 82
Calculation steps:
[( 82 - 380 ) ÷ 380] x 100 = -78.42%
Formula
Percentage change = [(82 - 380) / 380] x 100
Subtract the new number by the original number
82 - 380 = -298
-298 ÷ 380 = -0.7842105263157895
-0.7842105263157895 x 100 = -78.42%