-21.01% is the change from 947 to 748
Calculation steps:
[( 748 - 947 ) ÷ 947] x 100 = -21.01%
Formula
Percentage change = [(748 - 947) / 947] x 100
Subtract the new number by the original number
748 - 947 = -199
-199 ÷ 947 = -0.21013727560718057
-0.21013727560718057 x 100 = -21.01%