-83.64% is the change from 825 to 135
Calculation steps:
[( 135 - 825 ) ÷ 825] x 100 = -83.64%
Formula
Percentage change = [(135 - 825) / 825] x 100
Subtract the new number by the original number
135 - 825 = -690
-690 ÷ 825 = -0.8363636363636363
-0.8363636363636363 x 100 = -83.64%