-83.27% is the change from 807 to 135
Calculation steps:
[( 135 - 807 ) ÷ 807] x 100 = -83.27%
Formula
Percentage change = [(135 - 807) / 807] x 100
Subtract the new number by the original number
135 - 807 = -672
-672 ÷ 807 = -0.8327137546468402
-0.8327137546468402 x 100 = -83.27%