-66.84% is the change from 190 to 63
Calculation steps:
[( 63 - 190 ) ÷ 190] x 100 = -66.84%
Formula
Percentage change = [(63 - 190) / 190] x 100
Subtract the new number by the original number
63 - 190 = -127
-127 ÷ 190 = -0.6684210526315789
-0.6684210526315789 x 100 = -66.84%