-77.43% is the change from 917 to 207
Calculation steps:
[( 207 - 917 ) ÷ 917] x 100 = -77.43%
Formula
Percentage change = [(207 - 917) / 917] x 100
Subtract the new number by the original number
207 - 917 = -710
-710 ÷ 917 = -0.7742639040348964
-0.7742639040348964 x 100 = -77.43%