-89.47% is the change from 494 to 52
Calculation steps:
[( 52 - 494 ) ÷ 494] x 100 = -89.47%
Formula
Percentage change = [(52 - 494) / 494] x 100
Subtract the new number by the original number
52 - 494 = -442
-442 ÷ 494 = -0.8947368421052632
-0.8947368421052632 x 100 = -89.47%