-45.93% is the change from 934 to 505
Calculation steps:
[( 505 - 934 ) ÷ 934] x 100 = -45.93%
Formula
Percentage change = [(505 - 934) / 934] x 100
Subtract the new number by the original number
505 - 934 = -429
-429 ÷ 934 = -0.4593147751605996
-0.4593147751605996 x 100 = -45.93%