-75.03% is the change from 913 to 228
Calculation steps:
[( 228 - 913 ) ÷ 913] x 100 = -75.03%
Formula
Percentage change = [(228 - 913) / 913] x 100
Subtract the new number by the original number
228 - 913 = -685
-685 ÷ 913 = -0.7502738225629791
-0.7502738225629791 x 100 = -75.03%