-48.3% is the change from 530 to 274
Calculation steps:
[( 274 - 530 ) ÷ 530] x 100 = -48.3%
Formula
Percentage change = [(274 - 530) / 530] x 100
Subtract the new number by the original number
274 - 530 = -256
-256 ÷ 530 = -0.4830188679245283
-0.4830188679245283 x 100 = -48.3%