-71.48% is the change from 547 to 156
Calculation steps:
[( 156 - 547 ) ÷ 547] x 100 = -71.48%
Formula
Percentage change = [(156 - 547) / 547] x 100
Subtract the new number by the original number
156 - 547 = -391
-391 ÷ 547 = -0.7148080438756855
-0.7148080438756855 x 100 = -71.48%