-61.72% is the change from 661 to 253
Calculation steps:
[( 253 - 661 ) ÷ 661] x 100 = -61.72%
Formula
Percentage change = [(253 - 661) / 661] x 100
Subtract the new number by the original number
253 - 661 = -408
-408 ÷ 661 = -0.6172465960665658
-0.6172465960665658 x 100 = -61.72%