-84.33% is the change from 619 to 97
Calculation steps:
[( 97 - 619 ) ÷ 619] x 100 = -84.33%
Formula
Percentage change = [(97 - 619) / 619] x 100
Subtract the new number by the original number
97 - 619 = -522
-522 ÷ 619 = -0.8432956381260097
-0.8432956381260097 x 100 = -84.33%