-70.65% is the change from 770 to 226
Calculation steps:
[( 226 - 770 ) ÷ 770] x 100 = -70.65%
Formula
Percentage change = [(226 - 770) / 770] x 100
Subtract the new number by the original number
226 - 770 = -544
-544 ÷ 770 = -0.7064935064935065
-0.7064935064935065 x 100 = -70.65%