-57.4% is the change from 493 to 210
Calculation steps:
[( 210 - 493 ) ÷ 493] x 100 = -57.4%
Formula
Percentage change = [(210 - 493) / 493] x 100
Subtract the new number by the original number
210 - 493 = -283
-283 ÷ 493 = -0.5740365111561866
-0.5740365111561866 x 100 = -57.4%