-78.97% is the change from 913 to 192
Calculation steps:
[( 192 - 913 ) ÷ 913] x 100 = -78.97%
Formula
Percentage change = [(192 - 913) / 913] x 100
Subtract the new number by the original number
192 - 913 = -721
-721 ÷ 913 = -0.7897042716319824
-0.7897042716319824 x 100 = -78.97%