-49.18% is the change from 970 to 493
Calculation steps:
[( 493 - 970 ) ÷ 970] x 100 = -49.18%
Formula
Percentage change = [(493 - 970) / 970] x 100
Subtract the new number by the original number
493 - 970 = -477
-477 ÷ 970 = -0.4917525773195876
-0.4917525773195876 x 100 = -49.18%