-8.2% is the change from 768 to 705
Calculation steps:
[( 705 - 768 ) ÷ 768] x 100 = -8.2%
Formula
Percentage change = [(705 - 768) / 768] x 100
Subtract the new number by the original number
705 - 768 = -63
-63 ÷ 768 = -0.08203125
-0.08203125 x 100 = -8.2%