-77.2% is the change from 943 to 215
Calculation steps:
[( 215 - 943 ) ÷ 943] x 100 = -77.2%
Formula
Percentage change = [(215 - 943) / 943] x 100
Subtract the new number by the original number
215 - 943 = -728
-728 ÷ 943 = -0.7720042417815483
-0.7720042417815483 x 100 = -77.2%