-97.37% is the change from 380 to 10
Calculation steps:
[( 10 - 380 ) ÷ 380] x 100 = -97.37%
Formula
Percentage change = [(10 - 380) / 380] x 100
Subtract the new number by the original number
10 - 380 = -370
-370 ÷ 380 = -0.9736842105263158
-0.9736842105263158 x 100 = -97.37%