-7.92% is the change from 619 to 570
Calculation steps:
[( 570 - 619 ) ÷ 619] x 100 = -7.92%
Formula
Percentage change = [(570 - 619) / 619] x 100
Subtract the new number by the original number
570 - 619 = -49
-49 ÷ 619 = -0.0791599353796446
-0.0791599353796446 x 100 = -7.92%