-83.43% is the change from 827 to 137
Calculation steps:
[( 137 - 827 ) ÷ 827] x 100 = -83.43%
Formula
Percentage change = [(137 - 827) / 827] x 100
Subtract the new number by the original number
137 - 827 = -690
-690 ÷ 827 = -0.8343409915356711
-0.8343409915356711 x 100 = -83.43%