-2.01% is the change from 947 to 928
Calculation steps:
[( 928 - 947 ) ÷ 947] x 100 = -2.01%
Formula
Percentage change = [(928 - 947) / 947] x 100
Subtract the new number by the original number
928 - 947 = -19
-19 ÷ 947 = -0.02006335797254488
-0.02006335797254488 x 100 = -2.01%