-71.52% is the change from 755 to 215
Calculation steps:
[( 215 - 755 ) ÷ 755] x 100 = -71.52%
Formula
Percentage change = [(215 - 755) / 755] x 100
Subtract the new number by the original number
215 - 755 = -540
-540 ÷ 755 = -0.7152317880794702
-0.7152317880794702 x 100 = -71.52%