-56.1% is the change from 902 to 396
Calculation steps:
[( 396 - 902 ) ÷ 902] x 100 = -56.1%
Formula
Percentage change = [(396 - 902) / 902] x 100
Subtract the new number by the original number
396 - 902 = -506
-506 ÷ 902 = -0.5609756097560976
-0.5609756097560976 x 100 = -56.1%