-40.35% is the change from 969 to 578
Calculation steps:
[( 578 - 969 ) ÷ 969] x 100 = -40.35%
Formula
Percentage change = [(578 - 969) / 969] x 100
Subtract the new number by the original number
578 - 969 = -391
-391 ÷ 969 = -0.40350877192982454
-0.40350877192982454 x 100 = -40.35%