-14.7% is the change from 619 to 528
Calculation steps:
[( 528 - 619 ) ÷ 619] x 100 = -14.7%
Formula
Percentage change = [(528 - 619) / 619] x 100
Subtract the new number by the original number
528 - 619 = -91
-91 ÷ 619 = -0.1470113085621971
-0.1470113085621971 x 100 = -14.7%