-56.53% is the change from 934 to 406
Calculation steps:
[( 406 - 934 ) ÷ 934] x 100 = -56.53%
Formula
Percentage change = [(406 - 934) / 934] x 100
Subtract the new number by the original number
406 - 934 = -528
-528 ÷ 934 = -0.5653104925053534
-0.5653104925053534 x 100 = -56.53%