-74.05% is the change from 393 to 102
Calculation steps:
[( 102 - 393 ) ÷ 393] x 100 = -74.05%
Formula
Percentage change = [(102 - 393) / 393] x 100
Subtract the new number by the original number
102 - 393 = -291
-291 ÷ 393 = -0.7404580152671756
-0.7404580152671756 x 100 = -74.05%