-71.56% is the change from 756 to 215
Calculation steps:
[( 215 - 756 ) ÷ 756] x 100 = -71.56%
Formula
Percentage change = [(215 - 756) / 756] x 100
Subtract the new number by the original number
215 - 756 = -541
-541 ÷ 756 = -0.7156084656084656
-0.7156084656084656 x 100 = -71.56%