-12.8% is the change from 547 to 477
Calculation steps:
[( 477 - 547 ) ÷ 547] x 100 = -12.8%
Formula
Percentage change = [(477 - 547) / 547] x 100
Subtract the new number by the original number
477 - 547 = -70
-70 ÷ 547 = -0.12797074954296161
-0.12797074954296161 x 100 = -12.8%