-49.07% is the change from 972 to 495
Calculation steps:
[( 495 - 972 ) ÷ 972] x 100 = -49.07%
Formula
Percentage change = [(495 - 972) / 972] x 100
Subtract the new number by the original number
495 - 972 = -477
-477 ÷ 972 = -0.49074074074074076
-0.49074074074074076 x 100 = -49.07%