-83.8% is the change from 827 to 134
Calculation steps:
[( 134 - 827 ) ÷ 827] x 100 = -83.8%
Formula
Percentage change = [(134 - 827) / 827] x 100
Subtract the new number by the original number
134 - 827 = -693
-693 ÷ 827 = -0.837968561064087
-0.837968561064087 x 100 = -83.8%