-40.99% is the change from 932 to 550
Calculation steps:
[( 550 - 932 ) ÷ 932] x 100 = -40.99%
Formula
Percentage change = [(550 - 932) / 932] x 100
Subtract the new number by the original number
550 - 932 = -382
-382 ÷ 932 = -0.40987124463519314
-0.40987124463519314 x 100 = -40.99%