-94.76% is the change from 630 to 33
Calculation steps:
[( 33 - 630 ) ÷ 630] x 100 = -94.76%
Formula
Percentage change = [(33 - 630) / 630] x 100
Subtract the new number by the original number
33 - 630 = -597
-597 ÷ 630 = -0.9476190476190476
-0.9476190476190476 x 100 = -94.76%