-91.33% is the change from 807 to 70
Calculation steps:
[( 70 - 807 ) ÷ 807] x 100 = -91.33%
Formula
Percentage change = [(70 - 807) / 807] x 100
Subtract the new number by the original number
70 - 807 = -737
-737 ÷ 807 = -0.9132589838909542
-0.9132589838909542 x 100 = -91.33%