-78.12% is the change from 690 to 151
Calculation steps:
[( 151 - 690 ) ÷ 690] x 100 = -78.12%
Formula
Percentage change = [(151 - 690) / 690] x 100
Subtract the new number by the original number
151 - 690 = -539
-539 ÷ 690 = -0.7811594202898551
-0.7811594202898551 x 100 = -78.12%