-76.38% is the change from 635 to 150
Calculation steps:
[( 150 - 635 ) ÷ 635] x 100 = -76.38%
Formula
Percentage change = [(150 - 635) / 635] x 100
Subtract the new number by the original number
150 - 635 = -485
-485 ÷ 635 = -0.7637795275590551
-0.7637795275590551 x 100 = -76.38%