-16.01% is the change from 787 to 661
Calculation steps:
[( 661 - 787 ) ÷ 787] x 100 = -16.01%
Formula
Percentage change = [(661 - 787) / 787] x 100
Subtract the new number by the original number
661 - 787 = -126
-126 ÷ 787 = -0.16010165184243966
-0.16010165184243966 x 100 = -16.01%