-84.49% is the change from 490 to 76
Calculation steps:
[( 76 - 490 ) ÷ 490] x 100 = -84.49%
Formula
Percentage change = [(76 - 490) / 490] x 100
Subtract the new number by the original number
76 - 490 = -414
-414 ÷ 490 = -0.8448979591836735
-0.8448979591836735 x 100 = -84.49%