-72.15% is the change from 772 to 215
Calculation steps:
[( 215 - 772 ) ÷ 772] x 100 = -72.15%
Formula
Percentage change = [(215 - 772) / 772] x 100
Subtract the new number by the original number
215 - 772 = -557
-557 ÷ 772 = -0.7215025906735751
-0.7215025906735751 x 100 = -72.15%