-71.6% is the change from 757 to 215
Calculation steps:
[( 215 - 757 ) ÷ 757] x 100 = -71.6%
Formula
Percentage change = [(215 - 757) / 757] x 100
Subtract the new number by the original number
215 - 757 = -542
-542 ÷ 757 = -0.7159841479524438
-0.7159841479524438 x 100 = -71.6%