-72.53% is the change from 768 to 211
Calculation steps:
[( 211 - 768 ) ÷ 768] x 100 = -72.53%
Formula
Percentage change = [(211 - 768) / 768] x 100
Subtract the new number by the original number
211 - 768 = -557
-557 ÷ 768 = -0.7252604166666666
-0.7252604166666666 x 100 = -72.53%