-49.33% is the change from 977 to 495
Calculation steps:
[( 495 - 977 ) ÷ 977] x 100 = -49.33%
Formula
Percentage change = [(495 - 977) / 977] x 100
Subtract the new number by the original number
495 - 977 = -482
-482 ÷ 977 = -0.49334698055271237
-0.49334698055271237 x 100 = -49.33%