-80.64% is the change from 625 to 121
Calculation steps:
[( 121 - 625 ) ÷ 625] x 100 = -80.64%
Formula
Percentage change = [(121 - 625) / 625] x 100
Subtract the new number by the original number
121 - 625 = -504
-504 ÷ 625 = -0.8064
-0.8064 x 100 = -80.64%