-53.02% is the change from 530 to 249
Calculation steps:
[( 249 - 530 ) ÷ 530] x 100 = -53.02%
Formula
Percentage change = [(249 - 530) / 530] x 100
Subtract the new number by the original number
249 - 530 = -281
-281 ÷ 530 = -0.530188679245283
-0.530188679245283 x 100 = -53.02%