41.6% is the change from 661 to 936
Calculation steps:
[( 936 - 661 ) ÷ 661] x 100 = 41.6%
Formula
Percentage change = [(936 - 661) / 661] x 100
Subtract the new number by the original number
936 - 661 = 275
275 ÷ 661 = 0.41603630862329805
0.41603630862329805 x 100 = 41.6%