-73.49% is the change from 630 to 167
Calculation steps:
[( 167 - 630 ) ÷ 630] x 100 = -73.49%
Formula
Percentage change = [(167 - 630) / 630] x 100
Subtract the new number by the original number
167 - 630 = -463
-463 ÷ 630 = -0.734920634920635
-0.734920634920635 x 100 = -73.49%