-30.05% is the change from 396 to 277
Calculation steps:
[( 277 - 396 ) ÷ 396] x 100 = -30.05%
Formula
Percentage change = [(277 - 396) / 396] x 100
Subtract the new number by the original number
277 - 396 = -119
-119 ÷ 396 = -0.3005050505050505
-0.3005050505050505 x 100 = -30.05%