-97.52% is the change from 766 to 19
Calculation steps:
[( 19 - 766 ) ÷ 766] x 100 = -97.52%
Formula
Percentage change = [(19 - 766) / 766] x 100
Subtract the new number by the original number
19 - 766 = -747
-747 ÷ 766 = -0.9751958224543081
-0.9751958224543081 x 100 = -97.52%