-57.03% is the change from 619 to 266
Calculation steps:
[( 266 - 619 ) ÷ 619] x 100 = -57.03%
Formula
Percentage change = [(266 - 619) / 619] x 100
Subtract the new number by the original number
266 - 619 = -353
-353 ÷ 619 = -0.5702746365105008
-0.5702746365105008 x 100 = -57.03%