-48.66% is the change from 970 to 498
Calculation steps:
[( 498 - 970 ) ÷ 970] x 100 = -48.66%
Formula
Percentage change = [(498 - 970) / 970] x 100
Subtract the new number by the original number
498 - 970 = -472
-472 ÷ 970 = -0.4865979381443299
-0.4865979381443299 x 100 = -48.66%