-40.94% is the change from 530 to 313
Calculation steps:
[( 313 - 530 ) ÷ 530] x 100 = -40.94%
Formula
Percentage change = [(313 - 530) / 530] x 100
Subtract the new number by the original number
313 - 530 = -217
-217 ÷ 530 = -0.40943396226415096
-0.40943396226415096 x 100 = -40.94%