-85.57% is the change from 492 to 71
Calculation steps:
[( 71 - 492 ) ÷ 492] x 100 = -85.57%
Formula
Percentage change = [(71 - 492) / 492] x 100
Subtract the new number by the original number
71 - 492 = -421
-421 ÷ 492 = -0.8556910569105691
-0.8556910569105691 x 100 = -85.57%