-71.3% is the change from 749 to 215
Calculation steps:
[( 215 - 749 ) ÷ 749] x 100 = -71.3%
Formula
Percentage change = [(215 - 749) / 749] x 100
Subtract the new number by the original number
215 - 749 = -534
-534 ÷ 749 = -0.7129506008010681
-0.7129506008010681 x 100 = -71.3%