-44.85% is the change from 912 to 503
Calculation steps:
[( 503 - 912 ) ÷ 912] x 100 = -44.85%
Formula
Percentage change = [(503 - 912) / 912] x 100
Subtract the new number by the original number
503 - 912 = -409
-409 ÷ 912 = -0.44846491228070173
-0.44846491228070173 x 100 = -44.85%