-40.29% is the change from 968 to 578
Calculation steps:
[( 578 - 968 ) ÷ 968] x 100 = -40.29%
Formula
Percentage change = [(578 - 968) / 968] x 100
Subtract the new number by the original number
578 - 968 = -390
-390 ÷ 968 = -0.40289256198347106
-0.40289256198347106 x 100 = -40.29%