-6.66% is the change from 766 to 715
Calculation steps:
[( 715 - 766 ) ÷ 766] x 100 = -6.66%
Formula
Percentage change = [(715 - 766) / 766] x 100
Subtract the new number by the original number
715 - 766 = -51
-51 ÷ 766 = -0.06657963446475196
-0.06657963446475196 x 100 = -6.66%