-45.36% is the change from 970 to 530
Calculation steps:
[( 530 - 970 ) ÷ 970] x 100 = -45.36%
Formula
Percentage change = [(530 - 970) / 970] x 100
Subtract the new number by the original number
530 - 970 = -440
-440 ÷ 970 = -0.4536082474226804
-0.4536082474226804 x 100 = -45.36%