-29.07% is the change from 547 to 388
Calculation steps:
[( 388 - 547 ) ÷ 547] x 100 = -29.07%
Formula
Percentage change = [(388 - 547) / 547] x 100
Subtract the new number by the original number
388 - 547 = -159
-159 ÷ 547 = -0.2906764168190128
-0.2906764168190128 x 100 = -29.07%