-68.73% is the change from 630 to 197
Calculation steps:
[( 197 - 630 ) ÷ 630] x 100 = -68.73%
Formula
Percentage change = [(197 - 630) / 630] x 100
Subtract the new number by the original number
197 - 630 = -433
-433 ÷ 630 = -0.6873015873015873
-0.6873015873015873 x 100 = -68.73%