-22.14% is the change from 691 to 538
Calculation steps:
[( 538 - 691 ) ÷ 691] x 100 = -22.14%
Formula
Percentage change = [(538 - 691) / 691] x 100
Subtract the new number by the original number
538 - 691 = -153
-153 ÷ 691 = -0.22141823444283648
-0.22141823444283648 x 100 = -22.14%