-91.22% is the change from 797 to 70
Calculation steps:
[( 70 - 797 ) ÷ 797] x 100 = -91.22%
Formula
Percentage change = [(70 - 797) / 797] x 100
Subtract the new number by the original number
70 - 797 = -727
-727 ÷ 797 = -0.9121706398996235
-0.9121706398996235 x 100 = -91.22%