-82.58% is the change from 775 to 135
Calculation steps:
[( 135 - 775 ) ÷ 775] x 100 = -82.58%
Formula
Percentage change = [(135 - 775) / 775] x 100
Subtract the new number by the original number
135 - 775 = -640
-640 ÷ 775 = -0.8258064516129032
-0.8258064516129032 x 100 = -82.58%