-80.76% is the change from 629 to 121
Calculation steps:
[( 121 - 629 ) ÷ 629] x 100 = -80.76%
Formula
Percentage change = [(121 - 629) / 629] x 100
Subtract the new number by the original number
121 - 629 = -508
-508 ÷ 629 = -0.8076311605723371
-0.8076311605723371 x 100 = -80.76%