-83.19% is the change from 803 to 135
Calculation steps:
[( 135 - 803 ) ÷ 803] x 100 = -83.19%
Formula
Percentage change = [(135 - 803) / 803] x 100
Subtract the new number by the original number
135 - 803 = -668
-668 ÷ 803 = -0.8318804483188045
-0.8318804483188045 x 100 = -83.19%