-5.1% is the change from 960 to 911
Calculation steps:
[( 911 - 960 ) ÷ 960] x 100 = -5.1%
Formula
Percentage change = [(911 - 960) / 960] x 100
Subtract the new number by the original number
911 - 960 = -49
-49 ÷ 960 = -0.051041666666666666
-0.051041666666666666 x 100 = -5.1%