-19.28% is the change from 612 to 494
Calculation steps:
[( 494 - 612 ) ÷ 612] x 100 = -19.28%
Formula
Percentage change = [(494 - 612) / 612] x 100
Subtract the new number by the original number
494 - 612 = -118
-118 ÷ 612 = -0.19281045751633988
-0.19281045751633988 x 100 = -19.28%