-73.17% is the change from 630 to 169
Calculation steps:
[( 169 - 630 ) ÷ 630] x 100 = -73.17%
Formula
Percentage change = [(169 - 630) / 630] x 100
Subtract the new number by the original number
169 - 630 = -461
-461 ÷ 630 = -0.7317460317460317
-0.7317460317460317 x 100 = -73.17%