-84.3% is the change from 363 to 57
Calculation steps:
[( 57 - 363 ) ÷ 363] x 100 = -84.3%
Formula
Percentage change = [(57 - 363) / 363] x 100
Subtract the new number by the original number
57 - 363 = -306
-306 ÷ 363 = -0.8429752066115702
-0.8429752066115702 x 100 = -84.3%