-44.24% is the change from 902 to 503
Calculation steps:
[( 503 - 902 ) ÷ 902] x 100 = -44.24%
Formula
Percentage change = [(503 - 902) / 902] x 100
Subtract the new number by the original number
503 - 902 = -399
-399 ÷ 902 = -0.442350332594235
-0.442350332594235 x 100 = -44.24%