-70.39% is the change from 493 to 146
Calculation steps:
[( 146 - 493 ) ÷ 493] x 100 = -70.39%
Formula
Percentage change = [(146 - 493) / 493] x 100
Subtract the new number by the original number
146 - 493 = -347
-347 ÷ 493 = -0.7038539553752535
-0.7038539553752535 x 100 = -70.39%