-92.21% is the change from 899 to 70
Calculation steps:
[( 70 - 899 ) ÷ 899] x 100 = -92.21%
Formula
Percentage change = [(70 - 899) / 899] x 100
Subtract the new number by the original number
70 - 899 = -829
-829 ÷ 899 = -0.9221357063403782
-0.9221357063403782 x 100 = -92.21%