-48.35% is the change from 970 to 501
Calculation steps:
[( 501 - 970 ) ÷ 970] x 100 = -48.35%
Formula
Percentage change = [(501 - 970) / 970] x 100
Subtract the new number by the original number
501 - 970 = -469
-469 ÷ 970 = -0.48350515463917526
-0.48350515463917526 x 100 = -48.35%