-2.5% is the change from 959 to 935
Calculation steps:
[( 935 - 959 ) ÷ 959] x 100 = -2.5%
Formula
Percentage change = [(935 - 959) / 959] x 100
Subtract the new number by the original number
935 - 959 = -24
-24 ÷ 959 = -0.02502606882168926
-0.02502606882168926 x 100 = -2.5%