-38.22% is the change from 900 to 556
Calculation steps:
[( 556 - 900 ) ÷ 900] x 100 = -38.22%
Formula
Percentage change = [(556 - 900) / 900] x 100
Subtract the new number by the original number
556 - 900 = -344
-344 ÷ 900 = -0.38222222222222224
-0.38222222222222224 x 100 = -38.22%