-96.14% is the change from 492 to 19
Calculation steps:
[( 19 - 492 ) ÷ 492] x 100 = -96.14%
Formula
Percentage change = [(19 - 492) / 492] x 100
Subtract the new number by the original number
19 - 492 = -473
-473 ÷ 492 = -0.9613821138211383
-0.9613821138211383 x 100 = -96.14%