-77.18% is the change from 824 to 188
Calculation steps:
[( 188 - 824 ) ÷ 824] x 100 = -77.18%
Formula
Percentage change = [(188 - 824) / 824] x 100
Subtract the new number by the original number
188 - 824 = -636
-636 ÷ 824 = -0.7718446601941747
-0.7718446601941747 x 100 = -77.18%