-55.1% is the change from 902 to 405
Calculation steps:
[( 405 - 902 ) ÷ 902] x 100 = -55.1%
Formula
Percentage change = [(405 - 902) / 902] x 100
Subtract the new number by the original number
405 - 902 = -497
-497 ÷ 902 = -0.5509977827050998
-0.5509977827050998 x 100 = -55.1%