-73.97% is the change from 557 to 145
Calculation steps:
[( 145 - 557 ) ÷ 557] x 100 = -73.97%
Formula
Percentage change = [(145 - 557) / 557] x 100
Subtract the new number by the original number
145 - 557 = -412
-412 ÷ 557 = -0.7396768402154399
-0.7396768402154399 x 100 = -73.97%