-15.67% is the change from 619 to 522
Calculation steps:
[( 522 - 619 ) ÷ 619] x 100 = -15.67%
Formula
Percentage change = [(522 - 619) / 619] x 100
Subtract the new number by the original number
522 - 619 = -97
-97 ÷ 619 = -0.1567043618739903
-0.1567043618739903 x 100 = -15.67%