-71.48% is the change from 768 to 219
Calculation steps:
[( 219 - 768 ) ÷ 768] x 100 = -71.48%
Formula
Percentage change = [(219 - 768) / 768] x 100
Subtract the new number by the original number
219 - 768 = -549
-549 ÷ 768 = -0.71484375
-0.71484375 x 100 = -71.48%