-91.52% is the change from 825 to 70
Calculation steps:
[( 70 - 825 ) ÷ 825] x 100 = -91.52%
Formula
Percentage change = [(70 - 825) / 825] x 100
Subtract the new number by the original number
70 - 825 = -755
-755 ÷ 825 = -0.9151515151515152
-0.9151515151515152 x 100 = -91.52%