-79.2% is the change from 553 to 115
Calculation steps:
[( 115 - 553 ) ÷ 553] x 100 = -79.2%
Formula
Percentage change = [(115 - 553) / 553] x 100
Subtract the new number by the original number
115 - 553 = -438
-438 ÷ 553 = -0.7920433996383364
-0.7920433996383364 x 100 = -79.2%