-95.71% is the change from 630 to 27
Calculation steps:
[( 27 - 630 ) ÷ 630] x 100 = -95.71%
Formula
Percentage change = [(27 - 630) / 630] x 100
Subtract the new number by the original number
27 - 630 = -603
-603 ÷ 630 = -0.9571428571428572
-0.9571428571428572 x 100 = -95.71%