-75% is the change from 824 to 206
Calculation steps:
[( 206 - 824 ) ÷ 824] x 100 = -75%
Formula
Percentage change = [(206 - 824) / 824] x 100
Subtract the new number by the original number
206 - 824 = -618
-618 ÷ 824 = -0.75
-0.75 x 100 = -75%
Example