-76.92% is the change from 247 to 57
Calculation steps:
[( 57 - 247 ) ÷ 247] x 100 = -76.92%
Formula
Percentage change = [(57 - 247) / 247] x 100
Subtract the new number by the original number
57 - 247 = -190
-190 ÷ 247 = -0.7692307692307693
-0.7692307692307693 x 100 = -76.92%