-92.53% is the change from 870 to 65
Calculation steps:
[( 65 - 870 ) ÷ 870] x 100 = -92.53%
Formula
Percentage change = [(65 - 870) / 870] x 100
Subtract the new number by the original number
65 - 870 = -805
-805 ÷ 870 = -0.9252873563218391
-0.9252873563218391 x 100 = -92.53%