-85.63% is the change from 494 to 71
Calculation steps:
[( 71 - 494 ) ÷ 494] x 100 = -85.63%
Formula
Percentage change = [(71 - 494) / 494] x 100
Subtract the new number by the original number
71 - 494 = -423
-423 ÷ 494 = -0.8562753036437247
-0.8562753036437247 x 100 = -85.63%