-70.82% is the change from 771 to 225
Calculation steps:
[( 225 - 771 ) ÷ 771] x 100 = -70.82%
Formula
Percentage change = [(225 - 771) / 771] x 100
Subtract the new number by the original number
225 - 771 = -546
-546 ÷ 771 = -0.708171206225681
-0.708171206225681 x 100 = -70.82%