-98.03% is the change from 763 to 15
Calculation steps:
[( 15 - 763 ) ÷ 763] x 100 = -98.03%
Formula
Percentage change = [(15 - 763) / 763] x 100
Subtract the new number by the original number
15 - 763 = -748
-748 ÷ 763 = -0.9803407601572739
-0.9803407601572739 x 100 = -98.03%