-70.83% is the change from 216 to 63
Calculation steps:
[( 63 - 216 ) ÷ 216] x 100 = -70.83%
Formula
Percentage change = [(63 - 216) / 216] x 100
Subtract the new number by the original number
63 - 216 = -153
-153 ÷ 216 = -0.7083333333333334
-0.7083333333333334 x 100 = -70.83%