-21.6% is the change from 912 to 715
Calculation steps:
[( 715 - 912 ) ÷ 912] x 100 = -21.6%
Formula
Percentage change = [(715 - 912) / 912] x 100
Subtract the new number by the original number
715 - 912 = -197
-197 ÷ 912 = -0.21600877192982457
-0.21600877192982457 x 100 = -21.6%