-71.82% is the change from 763 to 215
Calculation steps:
[( 215 - 763 ) ÷ 763] x 100 = -71.82%
Formula
Percentage change = [(215 - 763) / 763] x 100
Subtract the new number by the original number
215 - 763 = -548
-548 ÷ 763 = -0.7182175622542595
-0.7182175622542595 x 100 = -71.82%