-76.54% is the change from 243 to 57
Calculation steps:
[( 57 - 243 ) ÷ 243] x 100 = -76.54%
Formula
Percentage change = [(57 - 243) / 243] x 100
Subtract the new number by the original number
57 - 243 = -186
-186 ÷ 243 = -0.7654320987654321
-0.7654320987654321 x 100 = -76.54%