-48.35% is the change from 972 to 502
Calculation steps:
[( 502 - 972 ) ÷ 972] x 100 = -48.35%
Formula
Percentage change = [(502 - 972) / 972] x 100
Subtract the new number by the original number
502 - 972 = -470
-470 ÷ 972 = -0.4835390946502058
-0.4835390946502058 x 100 = -48.35%