-19.31% is the change from 611 to 493
Calculation steps:
[( 493 - 611 ) ÷ 611] x 100 = -19.31%
Formula
Percentage change = [(493 - 611) / 611] x 100
Subtract the new number by the original number
493 - 611 = -118
-118 ÷ 611 = -0.19312602291325695
-0.19312602291325695 x 100 = -19.31%