-40.6% is the change from 931 to 553
Calculation steps:
[( 553 - 931 ) ÷ 931] x 100 = -40.6%
Formula
Percentage change = [(553 - 931) / 931] x 100
Subtract the new number by the original number
553 - 931 = -378
-378 ÷ 931 = -0.40601503759398494
-0.40601503759398494 x 100 = -40.6%