-19.44% is the change from 612 to 493
Calculation steps:
[( 493 - 612 ) ÷ 612] x 100 = -19.44%
Formula
Percentage change = [(493 - 612) / 612] x 100
Subtract the new number by the original number
493 - 612 = -119
-119 ÷ 612 = -0.19444444444444445
-0.19444444444444445 x 100 = -19.44%