-0.63% is the change from 945 to 939
Calculation steps:
[( 939 - 945 ) ÷ 945] x 100 = -0.63%
Formula
Percentage change = [(939 - 945) / 945] x 100
Subtract the new number by the original number
939 - 945 = -6
-6 ÷ 945 = -0.006349206349206349
-0.006349206349206349 x 100 = -0.63%