-76.97% is the change from 634 to 146
Calculation steps:
[( 146 - 634 ) ÷ 634] x 100 = -76.97%
Formula
Percentage change = [(146 - 634) / 634] x 100
Subtract the new number by the original number
146 - 634 = -488
-488 ÷ 634 = -0.7697160883280757
-0.7697160883280757 x 100 = -76.97%