-73.49% is the change from 547 to 145
Calculation steps:
[( 145 - 547 ) ÷ 547] x 100 = -73.49%
Formula
Percentage change = [(145 - 547) / 547] x 100
Subtract the new number by the original number
145 - 547 = -402
-402 ÷ 547 = -0.7349177330895795
-0.7349177330895795 x 100 = -73.49%