-65.03% is the change from 632 to 221
Calculation steps:
[( 221 - 632 ) ÷ 632] x 100 = -65.03%
Formula
Percentage change = [(221 - 632) / 632] x 100
Subtract the new number by the original number
221 - 632 = -411
-411 ÷ 632 = -0.6503164556962026
-0.6503164556962026 x 100 = -65.03%