-71.61% is the change from 768 to 218
Calculation steps:
[( 218 - 768 ) ÷ 768] x 100 = -71.61%
Formula
Percentage change = [(218 - 768) / 768] x 100
Subtract the new number by the original number
218 - 768 = -550
-550 ÷ 768 = -0.7161458333333334
-0.7161458333333334 x 100 = -71.61%