-98.98% is the change from 392 to 4
Calculation steps:
[( 4 - 392 ) ÷ 392] x 100 = -98.98%
Formula
Percentage change = [(4 - 392) / 392] x 100
Subtract the new number by the original number
4 - 392 = -388
-388 ÷ 392 = -0.9897959183673469
-0.9897959183673469 x 100 = -98.98%