-87.92% is the change from 654 to 79
Calculation steps:
[( 79 - 654 ) ÷ 654] x 100 = -87.92%
Formula
Percentage change = [(79 - 654) / 654] x 100
Subtract the new number by the original number
79 - 654 = -575
-575 ÷ 654 = -0.8792048929663608
-0.8792048929663608 x 100 = -87.92%