-72.75% is the change from 855 to 233
Calculation steps:
[( 233 - 855 ) ÷ 855] x 100 = -72.75%
Formula
Percentage change = [(233 - 855) / 855] x 100
Subtract the new number by the original number
233 - 855 = -622
-622 ÷ 855 = -0.7274853801169591
-0.7274853801169591 x 100 = -72.75%