-47.62% is the change from 947 to 496
Calculation steps:
[( 496 - 947 ) ÷ 947] x 100 = -47.62%
Formula
Percentage change = [(496 - 947) / 947] x 100
Subtract the new number by the original number
496 - 947 = -451
-451 ÷ 947 = -0.47624076029567053
-0.47624076029567053 x 100 = -47.62%