-51.18% is the change from 934 to 456
Calculation steps:
[( 456 - 934 ) ÷ 934] x 100 = -51.18%
Formula
Percentage change = [(456 - 934) / 934] x 100
Subtract the new number by the original number
456 - 934 = -478
-478 ÷ 934 = -0.5117773019271948
-0.5117773019271948 x 100 = -51.18%