-82.71% is the change from 561 to 97
Calculation steps:
[( 97 - 561 ) ÷ 561] x 100 = -82.71%
Formula
Percentage change = [(97 - 561) / 561] x 100
Subtract the new number by the original number
97 - 561 = -464
-464 ÷ 561 = -0.8270944741532977
-0.8270944741532977 x 100 = -82.71%