-71.71% is the change from 760 to 215
Calculation steps:
[( 215 - 760 ) ÷ 760] x 100 = -71.71%
Formula
Percentage change = [(215 - 760) / 760] x 100
Subtract the new number by the original number
215 - 760 = -545
-545 ÷ 760 = -0.7171052631578947
-0.7171052631578947 x 100 = -71.71%