-69.78% is the change from 771 to 233
Calculation steps:
[( 233 - 771 ) ÷ 771] x 100 = -69.78%
Formula
Percentage change = [(233 - 771) / 771] x 100
Subtract the new number by the original number
233 - 771 = -538
-538 ÷ 771 = -0.6977950713359273
-0.6977950713359273 x 100 = -69.78%