-63.57% is the change from 129 to 47
Calculation steps:
[( 47 - 129 ) ÷ 129] x 100 = -63.57%
Formula
Percentage change = [(47 - 129) / 129] x 100
Subtract the new number by the original number
47 - 129 = -82
-82 ÷ 129 = -0.6356589147286822
-0.6356589147286822 x 100 = -63.57%