-91.43% is the change from 933 to 80
Calculation steps:
[( 80 - 933 ) ÷ 933] x 100 = -91.43%
Formula
Percentage change = [(80 - 933) / 933] x 100
Subtract the new number by the original number
80 - 933 = -853
-853 ÷ 933 = -0.9142550911039657
-0.9142550911039657 x 100 = -91.43%