-28.7% is the change from 547 to 390
Calculation steps:
[( 390 - 547 ) ÷ 547] x 100 = -28.7%
Formula
Percentage change = [(390 - 547) / 547] x 100
Subtract the new number by the original number
390 - 547 = -157
-157 ÷ 547 = -0.2870201096892139
-0.2870201096892139 x 100 = -28.7%