-4.07% is the change from 959 to 920
Calculation steps:
[( 920 - 959 ) ÷ 959] x 100 = -4.07%
Formula
Percentage change = [(920 - 959) / 959] x 100
Subtract the new number by the original number
920 - 959 = -39
-39 ÷ 959 = -0.040667361835245046
-0.040667361835245046 x 100 = -4.07%