-69.68% is the change from 155 to 47
Calculation steps:
[( 47 - 155 ) ÷ 155] x 100 = -69.68%
Formula
Percentage change = [(47 - 155) / 155] x 100
Subtract the new number by the original number
47 - 155 = -108
-108 ÷ 155 = -0.6967741935483871
-0.6967741935483871 x 100 = -69.68%