-84.35% is the change from 492 to 77
Calculation steps:
[( 77 - 492 ) ÷ 492] x 100 = -84.35%
Formula
Percentage change = [(77 - 492) / 492] x 100
Subtract the new number by the original number
77 - 492 = -415
-415 ÷ 492 = -0.8434959349593496
-0.8434959349593496 x 100 = -84.35%