-39.77% is the change from 958 to 577
Calculation steps:
[( 577 - 958 ) ÷ 958] x 100 = -39.77%
Formula
Percentage change = [(577 - 958) / 958] x 100
Subtract the new number by the original number
577 - 958 = -381
-381 ÷ 958 = -0.3977035490605428
-0.3977035490605428 x 100 = -39.77%