-7.41% is the change from 661 to 612
Calculation steps:
[( 612 - 661 ) ÷ 661] x 100 = -7.41%
Formula
Percentage change = [(612 - 661) / 661] x 100
Subtract the new number by the original number
612 - 661 = -49
-49 ÷ 661 = -0.07413010590015129
-0.07413010590015129 x 100 = -7.41%