-64.72% is the change from 771 to 272
Calculation steps:
[( 272 - 771 ) ÷ 771] x 100 = -64.72%
Formula
Percentage change = [(272 - 771) / 771] x 100
Subtract the new number by the original number
272 - 771 = -499
-499 ÷ 771 = -0.6472114137483788
-0.6472114137483788 x 100 = -64.72%