-71.54% is the change from 766 to 218
Calculation steps:
[( 218 - 766 ) ÷ 766] x 100 = -71.54%
Formula
Percentage change = [(218 - 766) / 766] x 100
Subtract the new number by the original number
218 - 766 = -548
-548 ÷ 766 = -0.7154046997389034
-0.7154046997389034 x 100 = -71.54%