-97.11% is the change from 380 to 11
Calculation steps:
[( 11 - 380 ) ÷ 380] x 100 = -97.11%
Formula
Percentage change = [(11 - 380) / 380] x 100
Subtract the new number by the original number
11 - 380 = -369
-369 ÷ 380 = -0.9710526315789474
-0.9710526315789474 x 100 = -97.11%