-47.7% is the change from 958 to 501
Calculation steps:
[( 501 - 958 ) ÷ 958] x 100 = -47.7%
Formula
Percentage change = [(501 - 958) / 958] x 100
Subtract the new number by the original number
501 - 958 = -457
-457 ÷ 958 = -0.477035490605428
-0.477035490605428 x 100 = -47.7%