-69.87% is the change from 156 to 47
Calculation steps:
[( 47 - 156 ) ÷ 156] x 100 = -69.87%
Formula
Percentage change = [(47 - 156) / 156] x 100
Subtract the new number by the original number
47 - 156 = -109
-109 ÷ 156 = -0.6987179487179487
-0.6987179487179487 x 100 = -69.87%