-3.11% is the change from 964 to 934
Calculation steps:
[( 934 - 964 ) ÷ 964] x 100 = -3.11%
Formula
Percentage change = [(934 - 964) / 964] x 100
Subtract the new number by the original number
934 - 964 = -30
-30 ÷ 964 = -0.03112033195020747
-0.03112033195020747 x 100 = -3.11%