-1.56% is the change from 964 to 949
Calculation steps:
[( 949 - 964 ) ÷ 964] x 100 = -1.56%
Formula
Percentage change = [(949 - 964) / 964] x 100
Subtract the new number by the original number
949 - 964 = -15
-15 ÷ 964 = -0.015560165975103735
-0.015560165975103735 x 100 = -1.56%